TY  - BOOK
AU  - Bhuvanesh A.OZa ......(et          al)
TI  - Power system protection & switchgear
SN  - 978-0070671188
U1  - 621.317 22
PY  - 2014///
CY  - New Delhi
PB  - McGraw Hill, 
KW  - Electromagnetic relays
N1  - Includes bibliographical references (p. 472-475) and index; Dept. of EEE
ER  -