Yazar
Helmut Weidner
19 cilt bulundu.
Helmut Weidner, Martin Jänicke · Island Press
448 sayfa · 2002
Environmental aspects / Case studies / Economic development / Environmental management / Environmental policy
Martin Jänicke, Helmut Weidner, Helge Jörgens · Springer
320 sayfa · 1997
Case studies / Environmental management / Environmental policy / Environmental policy, political aspects
Helmut Weidner · Sigma
147 sayfa · 1987
Air / Pollution / Air quality management / Law and legislation
Helmut Weidner · Projekt Politik u. Ökologie d. Entwickelten Industrieges.
153 sayfa · 1975
Environmental law
Helmut Weidner · InternationalesInstitut fu r Umwelt und Gesellschaft
Sayfa sayısı yok · 1986
Kategori yok
Helmut Weidner · International Institute for Environment and Society
Sayfa sayısı yok · 1984
Kategori yok
Helmut Weidner · International Institute for Environment and Society
Sayfa sayısı yok · 1984
Kategori yok
Helmut Weidner, Peter Knoepfel · Edition Sigma
469 sayfa · 1992
Environmental education / Environmental monitoring
Tsuru, Shigeto, Helmut Weidner · Edition Sigma
601 sayfa · 1989
Environmental law / Environmental policy
Martin Jänicke, Lutz Mez, Helmut Weidner · Edition Sigma
523 sayfa · 1997
Political sociology / Environmental policy / The State
Stefan Schwager, Peter Knoepfel, Helmut Weidner · Helbing & Lichtenhahn
Sayfa sayısı yok · 1989
Kategori yok
Stefan Schwager, Peter Knoepfel, Helmut Weidner · Helbing & Lichtenhahn
Sayfa sayısı yok · 1988
Kategori yok