@book{GELLENBECKHOLTENRIEMENSCHNEIDERetal.2010,
  author    = {GELLENBECK, K. and HOLTEN, R. and RIEMENSCHNEIDER, F. and VALL{\´E}E, F.},
  title     = {M{\"u}nsteraner Studien zum Facility Management. Band 2 - Management der Integration von Dienstleistungen und Produktion im Baugewerbe},
  address   = {M{\"u}nster, Ahlen, Frankfurt am Main},
  year      = {2010},
  language  = {de}
}
@book{GELLENBECKRIEMENSCHNEIDEREILING2010,
  author    = {GELLENBECK, K. and RIEMENSCHNEIDER, F. and EILING, H.},
  title     = {M{\"u}nsteraner Schriften zum Facility Management - 8. M{\"u}nsteraner Facility Management Tag},
  publisher = {INFA-ISFM e.V.},
  address   = {M{\"u}nster},
  year      = {2010},
  language  = {de}
}