"SHANMUGASUNDARAM A G. &. P. R., . (1989). ELECTRICAL MACHINE DESIGN DATABOOK. : WILEY EASTERN.
"SHANMUGASUNDARAM A GANGADHARAN & PALANI R", . 1989. ELECTRICAL MACHINE DESIGN DATABOOK. : WILEY EASTERN.
"SHANMUGASUNDARAM A GANGADHARAN & PALANI R", . ELECTRICAL MACHINE DESIGN DATABOOK. : WILEY EASTERN. 1989.