GUPTA, J. (1996). THEORY & PERFORMANCE OF ELECTRICAL MACHINES. S.K.KATARIA & SONS.
Lua i Stíl Chicago (17ú heag.)GUPTA, J.B. THEORY & PERFORMANCE OF ELECTRICAL MACHINES. NEW DELHI: S.K.KATARIA & SONS, 1996.
Lua MLA (9ú heag.)GUPTA, J.B. THEORY & PERFORMANCE OF ELECTRICAL MACHINES. S.K.KATARIA & SONS, 1996.
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