Helfrick A. D. <br/><br/>
Modern Electronic Instrumentation & Measurement. 

 - New Delhi  Prentice Hall Of India Pvt.Ltd  1990 
 - 446p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ETC
<br/><br/><label>Dewey Class. No.: </label>621.381