ECOLOGY
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Author:
P.Ph. Tivo, L.A. Saskevich, E.A. But
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Article code:
UDC 631.862
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Author:
N.M. Daineko, S.F. Timofeev, A.D. Bulokhov, N.N. Panasenko
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Article code:
UDC 633.81
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Author:
I.A. Shevchenko
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Article code:
UDC 502.7 : 627.8 : 528.8 (477-20)
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