(1987). McGraw-Hill encyclopedia of science & technology (6th ed.). McGraw-Hill.
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Chicago-čujuhus (17. p.)
McGraw-Hill Encyclopedia of Science & Technology. 6th ed. New York: McGraw-Hill, 1987.
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MLA-čujuhus (9. p.)
McGraw-Hill Encyclopedia of Science & Technology. 6th ed. McGraw-Hill, 1987.
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