00378nam a2200133Ia 4500008004100000020001500041041001200056100001900068245009600087260002500183300000800208650001100216700001700227221030s9999    xx            000 0 und d  a8120307520  aEnglish  aA. D. Helfrick 0aModern Electronic Instrumentation & Measurement Techniquescby A. D. Helfrick, W. D. Cooper  bPHIaNew Delhic2014  a445  aBB ECE  aW. D. Cooper