@techreport{ThomasNanningIrreketal.2002,
  author    = {Thomas, Stefan and Nanning, Sabine and Irrek, Wolfgang and Kirchner, Lars},
  title     = {Public procurement of energy saving technologies in Europe (PROST) : report on the country study for Germany: task 2a - current public sector purchasing, building, and replacement practices ; task 4b - PICO feasibility study},
  institution = {Wuppertal Institut f{\"u}r Klima, Umwelt, Energie},
  address   = {Wuppertal},
  pages     = {95},
  year      = {2002},
  language  = {en}
}