By Lehmann Iris   Lehn Helmut   in GAIA - Ecological Perspectives for Science and Society

ISSN:0940-5550|9|3|221-222

oekom verlag‎(2000)‎

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By Steiner Magdalena   Lehn Helmut   in International Journal of Water Resources Development

ISSN:1360-0648|15|3|277-290

Routledge Ltd‎(1999)‎

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By Lehn Helmut   Flaig Holger   Mohr Hans   in GAIA - Ecological Perspectives for Science and Society

ISSN:0940-5550|4|1|13-25

oekom verlag‎(1995)‎

Access to resources Favorite 11.580748