By Trawick Paul   in GAIA - Ecological Perspectives for Science and Society

ISSN:0940-5550|11|3|191-194

oekom verlag‎(2002)‎

Access to resources Favorite 18.026268

By Fontein Maarten   Webster James   Trawick Paul   in Waterlines

ISSN:0262-8104|29|1|52-72

Practical Action Publishing‎(2010)‎

Access to resources Favorite 10.815762