@book{Irrek.2004,
  address = {Lohmar},
  author = {Irrek, Wolfgang},
  edition = {1. Aufl.},
  interhash = {17accf0e1d7c82f38bf48e552b177fc9},
  intrahash = {b80372a02489b208cdccb2a0ee73c259},
  isbn = {3899362195},
  price = {EUR 65.00},
  publisher = {Eul},
  series = {Reihe},
  title = {Controlling der Energiedienstleistungsunternehmen},
  volume = {Bd. 96},
  year = 2004
}