00668cam a22002172 4500 mic56004891 DLC 20260227111612.0 951108s1952 xx a 000 0 eng mic56004891 DLC DLC DLC Microfilm 2356 S Timoshenko, Vladimir P. (Vladimir Prokopovich), 1885-1965. Agricultural production prospects: Resources as a conditioning factor. [n.p., 1952?] 37 l. Microfilm. Agriculture Soviet Union. Agriculture Economic aspects Soviet Union. Natural resources Soviet Union. 39100 39100