@misc{SiebertDoell2008,
  author    = {Stefan Siebert and Petra D{\"o}ll},
  title     = {The Global Crop Water Model (GCWM) : documentation and first results for irrigated crops},
  booktitle = {Frankfurt hydrology paper ; 7},
  institution = {Geowissenschaften},
  series    = {Frankfurt Hydrology Paper},
  number    = {7},
  type      = {workingpaper},
  year        = {2008},
}