00739nam0-22002771i-450-990003047180403321000304718FED01000304718(Aleph)000304718FED0100030471820000920d1954----km-y0itay50------baitaITDialectics of NatureF. Engels.MoscowForeign Languages Publishing House1954.496 p., ill.20 cmD/4.2Engels,Friedrich<1820–1895>ITUNINARICAUNIMARCBK990003047180403321D/4.2 ENG/54026036SESSESDialectics of Nature462724UNINAING01