000 00231nam a2200097Ia 4500
008 170501s9999 xx 000 0 und d
100 _a"Gupta, S.C."
245 _aOnto eneltronic Devices & System
250 _a-
260 _bPHI
_aN.Delhi
_c2005
300 _a636
999 _c17307
_d17307