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vls/2603nrwcece.visuallibrary.netvdHT002678739textbookBerlinAkad.-Verl.19851985monographicgerengfre72, 554 S. : Ill., graph. Darst.Friedrich Engels, TextHBZHT001547077HT001547077HT0026787396732854100Abt. 1, Werke, Artikel, Entwürfe, Bd. 26, Dialektik der Natur : (1873 - 1882)1991020620160725246087rak https://ce.visuallibrary.net//domainresource/static/graphics/connectors/viewerLogo.gif http://193.30.112.129:83/F/?func=find-c&ccl_term=ICS%3D246087 https://ce.visuallibrary.net/id/1199567 https://ce.visuallibrary.net/i3f/v20/1199567/manifest https://ce.visuallibrary.net/proto_ftsearch/1199567 https://ce.visuallibrary.net//domainresource/static/graphics/connectors/viewerLogo.gif http://193.30.112.129:83/F/?func=find-c&ccl_term=ICS%3DHT002678739 https://ce.visuallibrary.net/id/673285 https://ce.visuallibrary.net/i3f/v20/673285/manifest https://ce.visuallibrary.net/proto_ftsearch/673285