http://www.bdonline.co.uk/low-energy-office-building-in-austria-by-baumschlager-eberle/5066091.article

http://www.detail-online.com/article/house-without-heating-office-building-in-austria-16667/

http://www.nextroom.at/building.php?id=36211

http://archrecord.construction.com/projects/Building_Types_Study/Office_Buildings/2014/1407-2226-building-baumschlager-eberle.asp

http://www.baumschlager-eberle.com/projekte/projektdetails/project/buerogebaeude.html

http://www.archdaily.com/451653/2226-be-baumschlager-eberle