Gataulin, A.M. Scientific problems as a System / A. M. Gataulin. — с.44-49. — Электрон. текстовые дан. // Izvestia of Timiryazev - Academy: Scientific-theoretical Journal of the Russian State Agrarian University - Moscow Agricultural Academy named after K.A. Timiryazev. – 2010. – Вып. special issue. — Коллекция: Журнал «Известия ТСХА». — http://elib.timacad.ru/dl/full/04-2010-eng.pdf. - Загл. с титул. экрана. — <URL:http://elib.timacad.ru/dl/full/04-2010-eng.pdf>.
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2
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21
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14
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35
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150
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395
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468
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863
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