@incollection{MusallVoss2011, author = {Musall, Eike and Voss, Karsten}, title = {Projekte und ihre Merkmale im {\"U}berblich - Teil 1}, booktitle = {Nullenergiegeb{\"a}ude}, editor = {Karsten Voss and Eike Musall}, isbn = {978-3-920034-50-8}, year = {2011}, }