@misc{SiebertDoell2008,
  author    = {Stefan Siebert and Petra D{\"o}ll},
  title     = {The Global Crop Water Model (GCWM) : documentation and first results for irrigated crops},
  institution = {Geowissenschaften},
  series    = {Frankfurt Hydrology Paper},
  number    = {07},
  year      = {2008}
}