Past and future trends in grey water footprints of anthropogenic nitrogen and phosphorus inputs to major world rivers

Cheng Liu, Carolien Kroezea, Arjen Y. Hoekstrac, Winnie Gerbens-Leenes/Ecological Indicators, Cheng Liu, Carolien Kroezea, Arjen Y. Hoekstrac, Winnie Gerbens-Leenes/Ecological Indicators, 2011