By Patzel Nikola Frederik   in GAIA - Ecological Perspectives for Science and Society

ISSN:0940-5550|8|3|203-209

oekom verlag‎(1999)‎

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By Giegerich Wolfgang   Patzel Nikola   Abt Theodor   in GAIA - Ecological Perspectives for Science and Society

ISSN:0940-5550|9|1|5-7

oekom verlag‎(2000)‎

Access to resources Favorite 13.447498

By Durrenberger Gregor   Patzel Nikola   Hartmann Christoph   in International Journal of Environment and Pollution

ISSN:0957-4352|15|2|159-170

Inderscience Publishers‎(2001)‎

Access to resources Favorite 13.447498