Schwicker, A. C. (1968). International dictionary of metallurgy, mineralogy, geology. Mining and oil industries. Indexes. English - French - German - Italian. Vol. 2. Technoprint Internat..
Citace podle Chicago (17th ed.)Schwicker, Angelo Cagnacci. International Dictionary of Metallurgy, Mineralogy, Geology. Mining and Oil Industries. Indexes. English - French - German - Italian. Vol. 2. Milano: Technoprint Internat., 1968.
Citace podle MLA (9th ed.)Schwicker, Angelo Cagnacci. International Dictionary of Metallurgy, Mineralogy, Geology. Mining and Oil Industries. Indexes. English - French - German - Italian. Vol. 2. Technoprint Internat., 1968.
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