000 00343nam a2200121Ia 4500
008 230303s9999 xx 000 0 und d
041 _aeng
082 _a621.3742 HEL
100 _aHELFRICK (Albert D)/ COOPER (William D)
245 _aModern Electronics Instrumentation And Measurement Techniques
260 _aNEW DELHI
_bPHI
365 _cRS
999 _c194926
_d194926