00492nam 2202481 45000010005000000030023000050050009000280080041000370820008000780720028000860200018001141000023001322600025001552450058001806500028002386500026002666500020002922481StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a621 aelectronic mearsuements a0-13-250721-8 aAlbert D. helfrick bPrentice Hall c1985 aElectronic instrumentation and measurement techniques aelectronic mearsuements aelectric mearsurments aelectric meters