@inproceedings{BerloSeifried2007,
  author    = {Berlo, Kurt and Seifried, Dieter},
  title     = {Successful energy efficient building renovation at state schools},
  booktitle  = {Saving energy - just do it! : ECEEE 2007 Summer Study ; conference proceedings ; 4-9 June 2007, La Colle sur Loup, France ; volume 1},
  editor    = {Attali, Sophie},
  publisher = {Europ. Council for an Energy Efficient Economy},
  address   = {Stockholm},
  pages     = {541 -- 546},
  year      = {2007},
  language  = {en}
}