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| 2020 | Electrolyte-gated transistor for CO2 gas detection at room temperature
Ersoez, Bora; Schmitt, Katrin; Wöllenstein, Jürgen | Journal Article |
| 2020 | Filterrotationsspektrometer für den Nachweis von Ethen im ppb-Bereich
Eberhardt, André; Bauersfeld, Marie-Luise; Schmitt, Katrin; Wöllenstein, Jürgen | Journal Article |
| 2020 | Strategies to Enhance Carbon Dioxide Capture in Metal-Organic Frameworks
Piscopo, Calogero Giancarlo; Löbbecke, Stefan | Journal Article |
| 2019 | Analytical Methods for the Detection of Gaseous CO2
Gerlach, Gerald; Lambrecht, Armin; Oelßner, Wolfram | Book Article |
| 2019 | Bio-inspired design. Bulk iron-nickel sulfide allows for efficient solvent-dependent CO2 reduction
Piontek, Stefan; junge Puring, Kai; Siegmund, Daniel; Smialkowski, Mathias; Sinev, Ilya; Tetzlaff, David; Roldan Cuenya, Beatriz; Apfel, Ulf-Peter | Journal Article |
| 2018 | Biomimetic PDMS-hydroxyurethane terminated with catecholic moieties for chemical grafting on transition metal oxide-based surfaces
Aguiar, Kelen R. de; Rischka, Klaus; Gätjen, Linda; Noeske, Paul-Ludwig Michael; Leite Cavalcanti, Welchy; Rodrigues-Filho, Ubirajara P. | Journal Article |
| 2018 | Biomimetic PDMS-hydroxyurethane terminated with catecholic moieties for chemical grafting on transition metal oxide-based surfaces
Aguiar, Kelen R. de; Rischka, Klaus; Gätjen, Linda; Noeske, Paul-Ludwig Michael; Leite Cavalcanti, Welchy; Rodrigues-Filho, Ubirajara P. | Journal Article |
| 2018 | Green separation and characterization of fatty acids from solid wastes of leather industry in supercritical fluid CO2
Önem, Ersin; Renner, Manfred; Prokein, Michael | Journal Article |
| 2018 | Impregnation via supercritical CO2 - what we know and what we need to know
Weidner, Eckhard | Journal Article |
| 2018 | Investigation of superheated liquid carbon dioxide jets for cutting applications
Engelmeier, Lena; Pollak, Stefan; Weidner, Eckhard | Journal Article |
| 2018 | One quantum sensor for all gases: Cavity-enhanced Raman spectroscopy for food-chain monitoring
Sandfort, Vincenz; Goldschmidt, Jens; Wöllenstein, Jürgen; Palzer, Stefan | Conference Paper |
| 2018 | Quality properties of leather produced in water and supercritical fluid (SCF) media
Önem, Ersin | Journal Article |
| 2018 | Resources of a new carbon economy
Marzi, Thomas; Knappertsbusch, Volker; Grevé, Anna; Deerberg, Görge; Dötsch, Christian; Weidner, Eckhard | Journal Article |
| 2018 | A review of mathematical programming in integrated iron‐ and steelmaking
Beek, Mathias van | Journal Article |
| 2018 | Superheated liquid carbon dioxide jets
Engelmeier, Lena; Pollak, Stefan; Peters, Franz; Weidner, Eckhard | Journal Article |
| 2018 | A wireless gas sensor network to monitor indoor environmental quality in schools
Ortiz Perez, Alvaro; Bierer, Benedikt; Scholz, Louisa; Wöllenstein, Jürgen; Palzer, Stefan | Journal Article |
| 2017 | High-flux carbon molecular sieve membranes for gas separation
Richter, Hannes; Voss, Hartwig; Kaltenborn, Nadine; Kämnitz, Susanne; Wollbrink, Alexander; Feldhoff, Armin; Caro, Jürgen; Roitsch, Stefan; Voigt, Ingolf | Journal Article |
| 2017 | Ionogel-based composite material for CO2 sensing deposited on a chemiresistive transducer
Ersoez, Bora; Bauersfeld, Marie-Luise; Wöllenstein, Jürgen | Journal Article, Conference Paper |
| 2017 | Kohlendioxid, Biomasse und Regenerativer Strom - Ressourcen einer neuen Kohlenstoffwirtschaft?
Marzi, Thomas; Deerberg, Görge; Dötsch, Christian; Grevé, Anna; Hiebel, Markus; Kaluza, Stefan; Knappertsbusch, Volker; Maga, Daniel; Müller, Torsten; Pflaum, Hartmut; Pohlig, Astrid; Renner, Manfred; Seifert, Ulrich; Stießel, Sebastian; Unger, Christoph; Wack, Thorsten; Weidner, Eckhard | Report |
| 2017 | Miniature low-cost carbon dioxide sensor for mobile devices
Scholz, Louisa; Ortiz Perez, Alvaro; Bierer, Benedikt; Eaksen, Ponkanok; Wöllenstein, Jürgen; Palzer, Stefan | Journal Article |
| 2016 | Antimikrobiell wirkende Imprägnierung von Polycarbonat unter Einfluss verdichteten Kohlendioxids und die Entwicklung einer Analysesystematik
Errenst, Cornelia
: Kilzer, Andreas (Erstprüfer); Petermann, Marcus (Zweitprüfer); Mölders, Nils | Master Thesis |
| 2016 | Children's well-being at schools
Salthammer, T.; Uhde, E.; Schripp, T.; Schieweck, A.; Morawska, L.; Mazaheri, M.; Clifford, S.; He, C.; Buonanno, G.; Querol, X.; Viana, M.; Kumar, P. | Journal Article |
| 2016 | The effect of sodium on the structure-activity relationships of cobalt-modified Cu/ZnO/Al2O3 catalysts applied in the hydrogenation of carbon monoxide to higher alcohols
Anton, Johan; Nebel, Janine; Song, Huiqing; Froese, Christian; Weide, Philipp; Ruland, Holger; Muhler, Martin; Kaluza, Stefan | Journal Article |
| 2016 | Photoacoustic CO2-sensor for automotive applications
Huber, Jochen; Weber, Christian; Eberhardt, André; Wöllenstein, Jürgen | Journal Article, Conference Paper |
| 2016 | Schneiden und Bohren mit flüssigem Kohlendioxid
Engelmeier, Lena; Kretzschmar, Michael; Pollak, Stefan; Weidner, Eckhard | Journal Article |
| 2015 | Einsatz und Verwendung von CO2
Weidner, Eckhard; Pollak, Stefan | Book Article |
| 2015 | Photoacoustic CO2 sensor system - design and potential for miniaturization and integration in silicon
Huber, Jochen; Wöllenstein, Jürgen | Conference Paper |
| 2015 | Tailoring commercially available raw materials for lithium-sulfur batteries with superior performance and enhanced shelf life
Thieme, Sören; Oschatz, Martin; Nickel, Winfried; Brückner, Jan; Kaspar, Joerg; Althues, Holger; Kaskel, Stefan | Journal Article |
| 2015 | Untersuchung von Additiven zur CO2-Hydratbildung
Egenolf-Jonkmanns, Bärbel
: Deerberg, Görge (Gutachter); Petermann, Marcus (Gutachter) | Dissertation |
| 2015 | Verfahrensentwicklung zur abwasserfreien Gerbung tierischer Häute unter dem Einfluss verdichteten Kohlendioxids
Renner, Manfred | Dissertation |
| 2014 | INNOSLAB-based single-frequency MOPA for airborne lidar detection of CO2 and methane
Löhring, J.; Luttmann, J.; Kasemann, R.; Schlösser, M.; Klein, J.; Hoffmann, H.-D.; Amediek, A.; Büdenbender, C.; Fix, A.; Wirth, M.; Quatrevalet, M.; Ehret, G | Conference Paper |
| 2014 | Konzeptionierung einer kontinuierlichen Anaerobanlage zur biologischen Methanisierung mit Wasserstoff und Kohlenstoffdioxid
Buzan, Marc-Thorben
: Deerberg, Görge (Prüfer); Weidner, E. (Prüfer) | Bachelor Thesis |
| 2013 | Simulation of natural gas production from submarine gas hydrate
Janicki, Georg; Schlüter, Stefan; Hennig, Torsten; Deerberg, Görge | Journal Article, Conference Paper |
| 2013 | Simulation of natural gas production from submarine gas hydrate deposits combined with CO2 storage
Janicki, Georg; Schlüter, Stefan; Hennig, Torsten; Deerberg, Görge | Poster |
| 2012 | Simulation of submarine gas hydrate deposits as a sustainable energy
Janicki, Georg; Hennig, Torsten; Schlüter, Stefan; Deerberg, Görge | Journal Article, Conference Paper |
| 2012 | Simulation of submarine gas hydrate deposits as a sustainable energy source and CO2 storage
Janicki, Georg; Hennig, Torsten; Schlüter, Stefan; Deerberg, Görge | Presentation |
| 2011 | COALSWAD - a European project for the determination of the carbon dioxide storage capacity in coal
Schieferstein, Eva; Möller, Andreas; Matysik, Jörg; Laggner, Peter | Abstract |
| 2011 | COALSWAD - a European project for the determination of the carbon dioxide storage capacity in coal
Schieferstein, Eva; Möller, Andreas; Matysik, Jörg; Laggner, Peter | Abstract |
| 2011 | Dual-color InAs/GaSb superlattice focal-plane array technology
Rehm, R.; Walther, M.; Rutz, F.; Schmitz, J.; Wörl, A.; Masur, J.-M.; Scheibner, R.; Wendler, J.; Ziegler, J. | Journal Article |
| 2011 | Entwicklung eines Verfahrens zur Kopplung von Erdgasgewinnung aus maritimen Methanhydratlagerstätten und CO2-Speicherung - Modellierung und Simulation
Janicki, Georg; Schlüter, Stefan; Deerberg, Görge; Hennig, Thorsten | Poster |
| 2011 | Extraction of natural gas from subsea gas hydrate deposits coupled with CO2 storage - Modeling and simulation
Janicki, Georg; Schlüter, Stefan; Hennig, Torsten; Deerberg, Görge | Abstract |
| 2011 | Hydrothermale Carbonisierung: Ein Überblick
Glasner, Christoph; Deerberg, Görge; Lyko, Hildegard | Journal Article |
| 2011 | Properties and application of additive enhanced CO2 hydrates
Egenolf-Jonkmanns, Bärbel | Poster |
| 2011 | Properties and application of additive enhanced CO2 hydrates
Egenolf-Jonkmanns, Bärbel; Bruzzano, Stefano; Deerberg, Görge | Conference Paper |
| 2011 | Recycling für den Klimaschutz
: Pflaum, H. | Study |
| 2011 | Recycling für den Klimaschutz - Vergleich der CO2-Emissionen beim Einsatz von Primär- und Sekundärrohstoffen
Pflaum, H.; Hiebel, M.; Dresen, B. | Presentation |
| 2011 | Simulation of CH4 production from subsea gas hydrate deposits coupled with CO2 storage
Janicki, Georg; Schlüter, Stefan; Henning, Thorsten; Deerberg, Görge | Poster |
| 2011 | Simulation of CH4 production from subsea gas hydrate deposits coupled with CO2 storage
Janicki, Georg; Schlüter, Stefan; Henning, Thorsten; Deerberg, Görge | Conference Paper |
| 2010 | CO2-Reduktion durch intelligentes Recycling von Edelstahlschrott
| Presentation |
| 2010 | Edelstahlindustrie: CO2-Reduktion durch intelligentes Recycling von Edelstahlschrott
| Report |
| 2010 | Implementierung von Klimaschutzkonzepten in die Regionalplanung am Beispiel von Potenzialanalysen
Knappertsbusch, V.; Palitzsch, S.; Dresen, B.; Seehafer, O. | Conference Paper |
| 2010 | Ökologische Aspekte von Thin Clients
Knermann, C. | Book Article |
| 2010 | Simulation der Gewinnung von Erdgas aus maritimen Hydratlagerstätten und der CO2-Speicherung
Janicki, G.; Schlüter, S.; Hennig, T.; Deerberg, G. | Abstract |
| 2010 | Simulation der kontrollierten Gewinnung von Erdgas aus maritimen Methanhydratlagerstätten und der CO2-Sequestrierung
Janicki, Georg; Schlüter, Stefan; Henning, Thorsten; Deerberg, Görge | Poster |
| 2010 | Type-II superlattices - the Fraunhofer perspective
Rehm, R.; Walther, M.; Schmitz, J.; Rutz, F.; Wörl, A.; Scheibner, R.; Ziegler, J. | Conference Paper |
| 2009 | Advanced III/V quantum-structure devices for high performance infrared focal plane arrays
Rehm, R.; Walther, M.; Schmitz, J.; Rutz, F.; Fleißner, J.; Scheibner, R.; Ziegler, J. | Conference Paper |
| 2009 | Carbon Footprint von Produkten (CFP)
Dresen, B.; Herzog, M. | Conference Paper |
| 2009 | CO2-Bilanz des Recyclings ausgewählter Sekundärrohstoffe am Beispiel der INTERSEROH SE
Pflaum, H.; Hiebel, M. | Book Article |
| 2009 | High-pressure carbon dioxide tanning
Renner, M.; Weidner, E.; Brandin, H.G. | Journal Article |
| 2009 | InAs/GaSb superlattices for advanced infrared focal plane arrays
Rehm, R.; Walther, M.; Schmitz, J.; Rutz, F.; Fleißner, J.; Scheibner, R.; Ziegler, J. | Journal Article, Conference Paper |
| 2009 | Klimaschutz durch Stoffkreisläufe
Pflaum, H.; Hiebel, M. | Journal Article |
| 2009 | Laser splicing of end caps: Process requirements in high-power laser applications
Böhme, S.; Beckert, E.; Eberhardt, R.; Tünnermann, A. | Conference Paper |
| 2009 | Recycling für den Klimaschutz - CO2-Emissionen bei der Verwertung von Sekundärrohstoffen im Vergleich zur Nutzung von Primärrohstoffen
Hiebel, M.; Pflaum, H. | Journal Article |
| 2009 | Status of mid-infrared superlattice technology in Germany
Rehm, R.; Walther, M.; Schmitz, J.; Rutz, F.; Fleissner, J.; Scheibner, R.; Ziegler, J. | Conference Paper |
| 2008 | CO2-Studie: Recycling für den Umweltschutz
Pflaum, H.; Hiebel, M. | Conference Paper |
| 2008 | Pflanzliche Gerbung von Häuten mittels verdichtetem Kohlendioxid
Mattern, S.
: Renner, M. | Thesis |
| 2008 | Production of powderous emulsions
Wehowski, M.; Weidner, E.; Kilzer, A. | Conference Paper, Journal Article |
| 2008 | Recycling für den Klimaschutz
| Study |
| 2008 | Sustainable and environmentally friendly production of leather
Renner, M.; Weidner, E.; Brandin, G. | Conference Paper |
| 2007 | Impregnation of synthetic and native polymers with supercritical carbon dioxide
Renner, M.; Brandin, G.; Weidner, E.; Bertling, J. | Abstract |
| 2007 | Nachhaltigkeit bei überkritischen Fluiden: Herstellung von Leder unter dem Einfluss von verdichtetem Kohlendioxid
Renner, M.; Brandin, G.; Weidner, E.; Deerberg, G. | Journal Article |
| 2007 | Production of leather under the influence of compressed carbon dioxide
Weidner, E.; Renner, M.; Geihsler, H.; Brandin, G. | Abstract |
| 2006 | Dual-colour thermal imaging with InAs/GaSb superlattices in mid-wavelength infrared spectral range
Rehm, R.; Walther, M.; Schmitz, J.; Fleißner, J.; Ziegler, J.; Cabanski, W.; Breiter, R. | Journal Article |
| 2006 | InAs/GaSb superlattice focal plane arrays for high performance thermal imaging
Rehm, R.; Walther, M.; Schmitz, J.; Fleißner, J.; Ziegler, J.; Cabanski, W.; Breiter, R. | Conference Paper |
| 2006 | Künstliche Alterung von Rostaschen aus der thermischen Abfallbehandlung - Ein Test im großtechnischen Maßstab zur Immobilisierung von Schwermetallen durch Behandlung durch Kohlendioxid
Marzi, T.; Palitzsch, S.; Keldenich, K.; Pellens, J.; Bleeker, P. | Conference Paper |
| 2005 | Kombination von Stickstoff- und Kohlendioxidadsorption zur Charakterisierung von Mikroporenstrukturen
Schieferstein, E.; Heil, V.; Meller, K. | Journal Article |
| 2005 | Rapid aging of bottom ashes from municipal solid waste incineration - A large-scale test
Marzi, T.; Palitzsch, S.; Keldenich, K.; Kümmel, R.; Pellens, J.; Bleeker, P. | Conference Paper |
| 2004 | Künstliche Alterung von Rostaschen aus der thermischen Abfallbehandlung
Marzi, T.; Palitzsch, S.; Kümmel, R.; Bleeker, P.; Pellens, J. | Journal Article |
| 2004 | Phase equilibrium (solid-liquid-gas) in binary systems of Poly(ethylene glycols), Poly(ethylene glycol) dimethyl ether with carbon dioxide, propane, and nitrogen
Weidner, E.; Wiesmet, V. | Book Article |
| 2002 | Recovery of volatile essential oils from citron (citrus junos) peel with supercritical carbon dioxide
Lee, S.J.; Chun, B.S.; Wilkinson, G.T.; Weber, A. | Conference Paper |
| 2001 | Compressed air systems in the European Union. Energy, emissions, savings potential and policy actions
: Radgen, P.; Blaustein, E. | Book |
| 2001 | Direktmessung zur Differenzierung zwischen abbaubarem organischen Kohlenstoff (AOC) und elementarem Kohlenstoff in Anlehnung an die VGB-Methode
Marzi, T.; Nowara, N.; Bruisten, M. | Journal Article |
| 2001 | Funktionsflächenreinigung mit CO2-Schnee
Werner, D. | Conference Paper |
| 2001 | Greenhouse gas reductions in Germany and the UK - Coincidence or policy induced?
Eichhammer, Wolfgang; Böde, Ulla; Gagelmann, Frank; Jochem, Eberhard; Kling, Nicola; Schleich, Joachim; Schlomann, Barbara; Chesshire, John; Ziesing, Hans-Joachim | Report |
| 2000 | International Network Non-energy Use and CO2 Emissions (NEU-CO2). Final Report of the First Phase of the Network (January 1999-June 2000)
Patel, M.; Gielen, D.; Kilde, N.; Simmons, T. | Report |
| 1999 | CO2 Emissions from Nonenergy Use - Methodological Aspects and a Case Study for Germany
Patel, M.; Jochem, E.; Marscheider-Weidemann, F.; Worrell, E. | Journal Article |
| 1999 | Gas antisolvent crystallization - from fundamentals to industrial applications
Weber, A.; Weiß, C.; Tschernjaew, J.; Kümmel, R. | Conference Paper |
| 1999 | Künstliche Alterung - ein wirtschaftlicher Weg zur Verringerung der Schwermetallfreisetzung aus Müllverbrennungsaschen
Palitzsch, S.; Marzi, T.; Beckmann, R.; Kümmel, R.; Dohmann, J. | Journal Article |
| 1999 | Reactive crystallization with supercritical carbon dioxide
Ehrenstein, U.; Weber, A.; Tschernjaew, J.; Kümmel, R. | Conference Paper |
| 1999 | Recovery of lecithin from egg Yolk-extracts by gas antisolvent crystallization
Weber, A.; Nolte, C.; Bork, M.; Kümmel, R. | Conference Paper |
| 1999 | A Review of Employment Effects of European Union and Measures for CO2-Emission Reductions
Walz, R.; Schleich, J.; Betz, R.; Nathani, C. | Report |
| 1999 | Zusammenstellung und Bewertung der bekannten Daten über relevante Mineralöl-Additive und ihre Verbrennungsprodukte
Keller, D.; Boehncke, A.; Mangelsdorf, I. | Report |
| 1998 | Directly heated quartz crystal microbalance with an integrated dielectric sensor
Roth, M.; Dera, T.; Hillerich, B.; Drost, A.; Hartinger, R.; Wendler, F.; Endres, H.-E. | Conference Paper |
| 1998 | Experimental studies and simulation of the dynamic hehaviour of bubble column reactors
Schulzke, T.; Schlüter, S.; Weinspach, P.-M. | Journal Article |
| 1997 | Interdisziplinäre Analyse der Umsetzungschancen einer Energiespar- und Klimaschutzpolitik
Jochem, E.; Ostertag, K.; Gruber, E.; Prose, F.; Homburg, A.; Hübner, G.; Hennicke, P.; Schulz, S. | Study |
| 1997 | Performance Contracting in Germany as a Service- and Market-Oriented Solution to Foster Rational Use of Energy
Köwener, D. | Journal Article |
| 1997 | Phase equilibrium (solid-liquid-gas) in polyethyleneglycolcarbon dioxide systems
Weidner, E.; Wiesmet, V.; Knez, Z.; Skerget, M. | Journal Article |
| 1996 | Perspectives and Limitation of Biological Hydrogen Production
Hüsing, B.; Reiß, T. | Conference Paper |
| 1994 | CO and CO2 thin-film SnO2 gas sensors on Si-substrates
Hoefer, U.; Kühner, G.; Schweizer, W.; Sulz, G.; Steiner, K. | Journal Article |
| 1993 | Fossile Energieträger- und Kohlendioxidbilanz für die Verwertung von Verpackungskunststoffen. Systemanalytisches Gutachten
Heyde, M.; Holley, W.; Rehmann, D. | Book |
| 1993 | IKARUS - Vorstellung des Teilprojektes 6 - Industrie
Bradke, H. | Conference Paper |
| 1993 | Synopse von CO2-Minderungs-Maßnahmen und -Potentialen in Deutschland
Reichert, J.; Jochem, E.; Mannsbart, W.; Schlomann, B.; Seidel, M. | Book |
| 1993 | Synopsis of CO2 Reduction Measures and Potentials in Germany
Reichert, J.; Jochem, E.; Mannsbart, W.; Schlomann, B.; Seidel, M. | Book |
| 1992 | The analysis of indirect emissions due to intermediate production. An enlarged input-output-model with emission coefficients for airpollutants, waste and wastewater for 58 branches based on a techno-economic database
Hohmeyer, O.; Walz, R. | Presentation |
| 1992 | Chances and limits of solar hydrogen in the Federal Republic of Germany
Bradke, H.; Masuhr, K.P. | Conference Paper |
| 1992 | The costs of climate change. A rough estimate of orders of magnitude. Report to the commission of the European Communities
Gärtner, M.; Hohmeyer, O. | Book |
| 1992 | The future role of solar hydrogen to reduce the CO2 emissions in the FRG
Bradke, H.; Masuhr, K.P. | Conference Paper |
| 1992 | Solar hydrogen energy management - results of a long term projection for the Federal Republic of Germany
Bradke, H.; Masuhr, K.P. | Conference Paper |
| 1991 | Comparative analysis of the CO2 reduction potentials and proposed actions specified in the reports presented by the Enquete Commission of "Preventive measures to protect the earth's atmosphere" and in the decisions adopted by the German Federal Republic
Reichert, J.; Mannsbart, W.; Schlomann, B.; Seidel, M.; Jochem, E. | Book |
| 1991 | Konsistenzprüfung einer denkbaren zukünftigen Wasserstoffwirtschaft. Kurzfassung
Bradke, H.; Brakhage, A.; Eckerle, K.; Knöpfel, I.; Lyons, B.; Reichert, J.; Treber, M.; Masuhr, K.P. | Report |
| 1991 | Quantitative analysis of polymer additives by coupled SFE/SFC.
Ewender, J.; Baner, A.L.; Franz, R.; Piringer, O.G. | Conference Paper |
| 1991 | Vergleichende Analyse der in den Berichten der Enquete-Kommission "Vorsorge zum Schutz der Erdatmosphäre" und in den Beschlüssen der Bundesregierung ausgewiesenen CO2-Minderungspotentiale und Maßnahmen
Jochem, E.; Mannsbart, W.; Reichert, J.; Schlomann, B.; Seidel, M. | Book |
| 1990 | Methode zur zerstörungsfreien Messung der Gasdurchlässigkeit von Verpackungen
Leibl, S.; Ewender, J.; Piringer, O.G. | Journal Article |
| 1990 | Temporal variations of formaldehyde in continental air masses
Slemr, J.; Teuber, R.; Rumpel, K.J.; Seiler, W. | Conference Paper |
| 1988 | Globale Klimaveränderungen durch Emission von Gasen aus der Energienutzung
Morovic, Tihomir; Pilhar, Rita | Study |
| 1988 | Wasserstoffenergietechnik. Vertiefende Arbeiten
Morovic, Tihomir; Pilhar, Rita; Witt, Barbara | Report |
| 1984 | Field studies of methane emission from termite nests into the atmosphere and measurements of methane uptake by tropical soils
Seiler, W.; Conrad, R.; Scharffe, D. | Journal Article |