@book{MusallVoss2015, author = {Musall, Eike and Voss, Karsten}, title = {Null- und Plusenergiegeb{\"a}ude - Rahmenbedingungen, Bilanzierung und Planungsans{\"a}tze}, volume = {BINE-Themeninfo}, number = {2}, address = {Bonn}, organization = {BINE-Informationsdienst}, year = {2015}, language = {de} }