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Umwelt-ABC : [über 700 Definitionen von Fachbegriffen, Fundstellen von Gesetzen und Verordnungen zum Umweltschutz]
Bartsch, Wolfgang (agent) - 1973
Persistent link: https://www.econbiz.de/10000616806
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Man on earth. A preliminary evaluation of the ecology of man
Charter, S. P. R. - 1970
Persistent link: https://www.econbiz.de/10000616813
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The restoration of the earth
Taylor, Theodore B.; Humpstone, Charles Cheney - 1973
Persistent link: https://www.econbiz.de/10000622739
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Vocabulaire de l'environnement
1976
Persistent link: https://www.econbiz.de/10000622807
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Protecting our environment
MacClellan, Grant Samuel (ed.) - 1970
Persistent link: https://www.econbiz.de/10000624460
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Project status report: ecology and environment project : June 21, 1974
Holling, C. S. (contributor) - 1974
Persistent link: https://www.econbiz.de/10000629778
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Man and his environment: The effects of pollution on man. Conference on the Effects of Pollution
Vickery, Rom Rusk (ed.) - 1972
Persistent link: https://www.econbiz.de/10000580738
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Environmental decay in its historical context
Detweiler, Robert (ed.); Sutherland, Jon N. (ed.);  … - 1973
Persistent link: https://www.econbiz.de/10000581020
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American environmentalism. The formative period, 1860-1915
Worster, Donald (contributor) - 1973
Persistent link: https://www.econbiz.de/10000581022