@article{HoffDoellFaderetal.2013,
  author    = {Holger Hoff and Petra D{\"o}ll and Marianela Fader and Dieter Gerten and Stefan Hauser and Stefan Siebert},
  title     = {Water footprints of cities - indicators for sustainable consumption and production},
  journal   = {Hydrology and earth system sciences discussions},
  volume    = {10},
  pages     = {2601 -- 2639},
  doi       = {10.5194/hessd-10-2601-2013},
  url       = {http://www.hydrol-earth-syst-sci-discuss.net/10/2601/2013/hessd-10-2601-2013.html},
  year      = {2013},
}