Elmore, W. A. (2004). Protective relaying theory and applications. New York, NY : Marcel Dekker.
Lua i Stíl Chicago (17ú heag.)Elmore, Walter A. Protective Relaying Theory and Applications. New York, NY : Marcel Dekker, 2004.
Lua MLA (9ú heag.)Elmore, Walter A. Protective Relaying Theory and Applications. New York, NY : Marcel Dekker, 2004.
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