By Scherhorn Gerhard   Ott Hermann E.   in GAIA - Ecological Perspectives for Science and Society

ISSN:0940-5550|18|2|110-114

oekom verlag‎(2009)‎

Access to resources Favorite 13.898185

By Massai Leonardo   Schally Hugo-Maria   Ott Hermann E.   in Yearbook of International Environmental Law

ISSN:0965-1721|19|1|225-246

Oxford University Press‎(2008)‎

Access to resources Favorite 10.7017145