000 00299nam a2200121Ia 4500
008 220201s9999 xx 000 0 eng d
082 _bKOO
_a621.319
100 _aKoonar, S. S.
245 0 _aNetworks and transmission lines
260 _aLudhiana
_bKatson, Pub house
300 _a436
942 _2ddc
999 _c19814
_d19814