@article{FaderGertenThammeretal.2011,
  author    = {Marianelle Fader and Dieter Gerten and M. Thammer and J. Heinke and Hermann Lotze-Campen and Wolfgang Lucht and Wolfgang Cramer},
  title     = {Internal and external green-blue agricultural water footprints of nations, and related water and land savings through trade},
  journal   = {Hydrology and earth system sciences : HESS},
  volume    = {15},
  number    = {5},
  pages     = {1641 -- 1660},
  doi       = {10.5194/hess-15-1641-2011},
  year      = {2011},
}