http://www.architecturelist.com/2010/11/04/passive-house-in-bessancourt-by-karawitz-architecture/
http://architizer.com/projects/passive-house-near-paris/
http://www.archdaily.com/84165/passive-house-karawitz-architecture/5012c9ea28ba0d147d000ab7-passive-house-karawitz-architecture-photo
http://www.homedsgn.com/2012/02/01/passive-house-by-karawitz-architecture/passive-house-11/
http://www.homedsgn.com/2012/02/01/passive-house-by-karawitz-architecture/passive-house-15/