TY - CONF A1 - Musall, Eike T1 - Net Zero Energy Buildings - Definition and building concepts T2 - Net Zero-Energy Buildings Conference, Lissabon Y1 - 2012 UR - https://opus4.kobv.de/opus4-hs-duesseldorf/frontdoor/index/index/docId/2029 CY - Lissabon ER -