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Systemanalytischer Traktat zur Umweltproblematik : Reinhard Blum zum 60. Geburtstag
Knorring, Ekkehard von - 1993
Persistent link: https://www.econbiz.de/10004179681
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A tribute to Arvi Leponiemi on his 60. birthday
Kähkönen, Juha (contributor) - 1986
Persistent link: https://www.econbiz.de/10004735927
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Systemanalytischer Traktat zur Umweltproblematik : Reinhard Blum zum 60. Geburtstag
Knorring, Ekkehard von - 1993
Persistent link: https://www.econbiz.de/10013282994
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A tribute to Aarni Nyberg on his 60th birthday
Lehtonen, Pekka (ed.); Nyberg, Aarni (honouree) - 1987
Persistent link: https://www.econbiz.de/10013391591
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A tribute to Arvi Leponiemi on his 60th birthday
Kähkönen, Juha S. (ed.); Leponiemi, Arvi (honouree) - 1986
Persistent link: https://www.econbiz.de/10013391632