Science at the service of soviet agriculture
английский/Science at the service of soviet agriculture / By N. Tsitsin ....Science at the service of soviet agriculture / By N. Tsitsin ....Science at the service of soviet agriculture.Moscow/Foreign languages publishing house/, 1939 ( ). - Foreign languages publishing house, 1939. - 32 с. : ил., портр. ; 14 см см.Science at the service of soviet agriculture. Moscow, 1939 .Растениеводство -- Популярная литература/nlr_sh1/Tsitsin ./