@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}, url = {https://www.bine.info/fileadmin/content/Publikationen/Themen-Infos/II_2015/themen_0215_internetx.pdf}, year = {2015}, }