Aktivhaus - the Reference WorkManfred Hegger, Caroline Fafflok, Johannes Hegger, Isabell Passig · First published 2016Open the Tome
Energie AtlasManfred Hegger, Matthias Fuchs, Thomas Stark, Martin Zeumer · First published 2012Open the Tome
Energy manualManfred Hegger, Matthias Fuchs, Thomas Stark, Martin Zeumer · First published 2008Open the Tome
Construction materials manualManfred Hegger, Volker Auch-Schwelk, Matthias Fuchs, Thorsten Rosenkranz · First published 2006Open the Tome
Baustoff AtlasManfred Hegger, Volker Auch-Schwelk, Matthias Fuchs, Thorsten Rosenkranz · First published 2005Open the Tome
