000 00298nam a2200109Ia 4500
008 230411s9999 xx 000 0 und d
082 _a621.3133
_bLAN
100 _a LANGSDORE (ALEXANDERS)
245 0 _aTheory of Alternating : Current Machine
260 _b NAROSA PUB. HOUSE
_a New Delhi
942 _cBK
999 _c423
_d423