00421nam a2200145Ia 4500008004100000020001800041082001800059100002400077245006500101250000800166260003400174300001300208600002700221650002700248241115s9999    xx            000 0 und d  a81-203-0752-6  a621.38102 HEL  aHelfrick, Albert D. 0aModern Electronic Instrumentation and Measurement Techniques  a.NA  aIndia:bPrentice Hall,c2003.  axi,445p.  aElectrical Engineering  aElectronic Engineering