A. D. Helfrick <br/><br/>
Modern Electronic Instrumentation & Measurement 
by A. D. Helfrick, W. D. Cooper 
 - New Delhi  PHI  1999 
 - 446 
<br/><br/><label>ISBN: </label>8185749337 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECE
<br/><br/><label>Dewey Class. No.: </label>105.23  / Hal