000 00388nam a2200193Ia 4500
008 240530s9999 xx 000 0 und d
082 _a621.382
082 _bGUP
100 _aGUPTA SANJEEV
245 0 _aTELEGRAPHY
250 _n0
250 _n1991
260 _bKHANNA
300 _a104
365 _b20
650 _aELECTRONICS
942 _cREF
950 _CELECTRONICS
999 _c191435
_d191435