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Angaro-Enisejskaja problema
Ĺ kol'nikov, M. G., (1958)
Die allgemeinen Geschäftsbedingungen der Metall- und Maschinenindustrie
Hase, Horst, (1938)
Industrial engineering : report of a visit to the U.S.A. in 1953 of a British Specialist Team on industrial engineering
(1954)