Siskind, C. S. Electrical machines: Direct y alternating current (2a ed.).
Lua i Stíl Chicago (17ú heag.)Siskind, Charles S. Electrical Machines: Direct Y Alternating Current. 2a ed.
Lua MLA (8ú heag.)Siskind, Charles S. Electrical Machines: Direct Y Alternating Current. 2a ed.
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