By Aubauer Hans P.   in Sustainability

ISSN:2071-1050|3|4|649-665

MDPI‎(2011)‎

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By Aubauer Hans P.   Woltron Klaus   in GAIA - Ecological Perspectives for Science and Society

ISSN:0940-5550|13|2|85-86

oekom verlag‎(2004)‎

Access to resources Favorite 16.115376