@article{IrrekNanning2005,
  author    = {Irrek, Wolfgang and Nanning, Sabine},
  title     = {Energiekostenreduktion durch Intracting : nachhaltig handeln trotz knapper Finanzmittel},
  journal   = {Das Rathaus},
  volume    = {58},
  number    = {1/2},
  pages     = {19 -- 20},
  year      = {2005},
  language  = {de}
}