Задачи марксистов в области естествознания. Доклад О. Ю. Шмидра. Прения по докладу. Заключительное слово

Задачи марксистов в области естествознания. Доклад О. Ю. Шмидра. Прения по докладу. Заключительное слово

133 Pages · 1929 · 260.74 MB · Russian
by Шмидт О.Ю.
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“ Those who bring sunshine to the lives of others cannot keep it from themselves. ” ― J. M. Barrie
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