Jendreck, MichaelMichaelJendreckMeissen, UlrichUlrichMeissenRösler, MichelMichelRöslerLukau, EridyEridyLukauFuchs-Kittowski, FrankFrankFuchs-Kittowski2022-03-132022-03-132016https://publica.fraunhofer.de/handle/publica/397892enENSURE - increasing resilience through the involvement of voluntary helpersconference paper