Under CopyrightKaufmann, A.A.KaufmannKünzel, H.M.H.M.KünzelRadon, J.J.Radon2022-03-038.2.20082006https://publica.fraunhofer.de/handle/publica/21098810.24406/publica-fhg-210988en624690Preventing moisture problems in retrofitted pitched roofsjournal article