Markle, L. E. (1952). Controllers for electric motors: A treatise on the modern controller with typical applications to the industries (2nd ed.). McGraw-Hill.
Citace podle Chicago (17th ed.)Markle, Lewis Edwin. Controllers for Electric Motors: A Treatise on the Modern Controller with Typical Applications to the Industries. 2nd ed. New York: McGraw-Hill, 1952.
Citace podle MLA (8th ed.)Markle, Lewis Edwin. Controllers for Electric Motors: A Treatise on the Modern Controller with Typical Applications to the Industries. 2nd ed. McGraw-Hill, 1952.
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