000 00307nam a2200121Ia 4500
008 230303s9999 xx 000 0 und d
041 _aeng
082 _a621.3742 GUP
100 _aGUPTA (J.B.)
245 _aELECTRONIC MEASUREMENTS & INSTRUMENTATION
260 _aDELHI
_bS.K.KATARIA & SONS
365 _cRS
999 _c223943
_d223943