@article{Streck2007,
  author    = {Stefanie Streck},
  title     = {Aus Alt mach´ Neu: Wertsch{\"o}pfung im Bestand},
  journal   = {Immobilien Zeitung},
  volume    = {30},
  number    = {02.08.2007},
  year      = {2007},
}