Madhava Rao, T S .
Power system protection: Static relays / - 1 / - New Delhi : Tata Mc-Graw Hill Publishing Company , 1984. - 697 ; .
621.3121 / MAD/PO
Power system protection: Static relays / - 1 / - New Delhi : Tata Mc-Graw Hill Publishing Company , 1984. - 697 ; .
621.3121 / MAD/PO