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Probleme des Industrialismus in Ost und West : Festschrift für Hans Raupach
Gumpel, Werner (ed.); Raupach, Hans (honouree);  … - 1973
Persistent link: https://www.econbiz.de/10000052167
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Systems approaches and environmental problems : International Symposium Schloß Reisensburg (Günzburg/Ulm), June 18 - 21, 1973
Gottinger, Hans Werner (contributor);  … - 1974
Persistent link: https://www.econbiz.de/10000117539