TY - BOOK AU - Ram, Badri AU - Vishwakarma, D.N. TI - Power System Protection and Switchgear SN - 9780074623503 U1 - 621.317 PY - 1995/// CY - New Delhi PB - Tata McGraw-Hill Publishing company Limited KW - Electrical Controls, Power Electronics, Switching,Protective relay621.317 ER -