000 00539nam a22001697a 4500
008 230613b |||||||| |||| 00| 0 eng d
020 _a81-224-0594-0
040 _aNational Science Library
_cNational Science Library
080 _a621.316
_bN4
100 1 _aSingh, L P
_911549
245 _aDigital protection:
_bProtective relaying from electromechanical to microprocessor
260 _aNew Delhi:
_bWiley Eastern Ltd,
_c1994
300 _axi, 231p.
650 _aDigital protection
653 _aPolyphase relays
942 _2udc
_cBK
999 _c42639
_d42639