by James Winpenny, Ingo Heinz, Sasha Koo-Oshima

Food and Agriculture Organization of the United Nations 2010 Water reports 35

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edited by Floor Brouwer, Ingo Heinz and Thomas Zabel

Kluwer Academic Publishers c2003 Environment & policy v. 37

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von Ingo Heinz

E. Schmidt 1984 Wasser und Abwasser in Forschung und Praxis Bd. 19

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