Beregite biosfery /

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Bibliographic Details
Main Authors: Izrael´, Jurij Antonijevič (Author), Rovinskij, Feliks Jakovlevič (Author)
Format: Book
Language:Russian
Published: Moskva : Pedagogika, 1987
Edition:1. izd.
Series:Biblioteka Detskoj enciklopedii
ISBN: (brož.)
Physical Description: 125 s.
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