Albert D .Helfrick, William D.Cooper <br/><br/>
Modern Electronic Instrumentation and Measurement 

 - 1st 
 - New Delhi,  Prenfice Hall of India Pvt,Ltd  1997 
 - 446p. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Albert D .Helfrick, William D.Cooper
<br/><br/><label>Dewey Class. No.: </label>621.381   / H474m 2015