Dialectics of nature / [Translated from the German by C. Dutt] Dialetik der Natur. English Engels, Friedrich, 1820-1895. Science Philosophy. Dialectical materialism. Q175 .E473 1972 335.4112 END Translation of Dialetik der Natur. Bibliography: p. [374]-[382] Moscow : Progress Publishers, 1972. 1972. 1972 Text 403 p. : eng engger