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Ėkonomičeskie problemy prirodopol'zovanija
Lemešev, M. Ja. (contributor); Ušakov, E. P. (contributor) - 1981
Persistent link: https://www.econbiz.de/10002313190
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Landšaftno-geochimičeskoe rajonirovanie i ochrana sredy
Kovalev, S. (contributor) - 1983
Persistent link: https://www.econbiz.de/10002315669
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Okružajuščaja sreda i problemy planirovanija
Rajeckas, Raimundas Leonas - 1981
Persistent link: https://www.econbiz.de/10002318021
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Biogeografičeskie aspekty prirodopolzovanija
Kovalev, Sergej Alekseevič; Voronov, A.G.; Vyšivkin, D.D. - 1980
Persistent link: https://www.econbiz.de/10014421056
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Ekonomičeskoe rajonirovanie razvivajuščichsja stran
Kovalev, Sergej Alekseevič (contributor);  … - 1968
Persistent link: https://www.econbiz.de/10014379357