Gray,Alexander Wallace,G.A.
Principles and Practiceof Electrical Engineering - 8th Ed. - Newyork McGraw Hill 1962 - p.599
Electric Circuits
Polyphase- motor Applications
621.3 G778P
Principles and Practiceof Electrical Engineering - 8th Ed. - Newyork McGraw Hill 1962 - p.599
Electric Circuits
Polyphase- motor Applications
621.3 G778P