TY - BOOK AU - Ravindranath,B. AU - Jha, C S. TI - Power system protection and switchgear SN - 0074623508 AV - TK2861 .R35 1995 PY - 1995/// (Repr. 1997) CY - New Delhi PB - Tata McGraw-Hill KW - Protective relays KW - Electric circuits KW - Electric power systems KW - Protection ER -