000 002720000a22001210004500
245 _aAnalysis of electrical network
100 _aRatnam, P.V.
260 _aDelhi
_bMacmillan
_c1975
300 _axvi, 214p.
080 _a621.3.01
_bR3
041 _aEN
942 _cBK
999 _c108931
_d108931