TY - CHAP U1 - Konferenzveröffentlichung A1 - Thomas, Stefan A1 - Höfele, Vera A1 - Tholen, Lena T1 - Combining theoretical analysis with empirical evidence from an international comparison : policy packages to make energy savings in buildings happen T2 - Evaluation : key to delivery of energy efficiency, Rome, Italy ; International Energy Program Evaluation Conference, 2-4 June 2012 ; IEPEC Y1 - 2012 SP - 14 S1 - 14 ER -