By Koester Ulrich   in GAIA - Ecological Perspectives for Science and Society

ISSN:0940-5550|12|2|111-113

oekom verlag‎(2003)‎

Access to resources Favorite 18.418022

By Brümmer Bernhard   Koester Ulrich   in Intereconomics

ISSN:0020-5346|38|2|86-93

Springer Publishing Company ‎(2003)‎

Access to resources Favorite 13.812997