Arbatov, Alexander Ecology / Alexander Arbatov, Sergei Bogolyubov ; Leonid Sobolev

Ecology / Alexander Arbatov, Sergei Bogolyubov ; Leonid Sobolev . - xxa Moscow xxa-fimyyc Novosti Press Agency yyc-fim, 1989 . - 86, [2] p. : il., fotos, mapas 19 cm . - (This is the USSR) Ecologia
Meio ambiente
União Soviética (URSS)

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