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1by Ovchinnikov, N. N. (Nikolaĭ Nikolaevich)
Published 1964Moskva : Nauka, 1964.182, [1] p. : ill. ; 22 cm. -
2Fiziologicheskie osnovy povysheni︠i︡a ustoĭchivosti rasteniĭ i polevoĭ vskhozhesti sem︠i︡an v SibiriPublished 1967Moskva, Nuka, 1967.102 p. ill. ; 20 cm.