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

 - 1st ed. 
 - Delhi :   PHI Learning Private Limited,   c1990. 
 - xii, 446 p. :  ;  23 cm. 
<br/><br/> Includes index.  
<br/><br/><label>ISBN: </label>9788120307520 
<br/><br/><label>Dewey Class. No.: </label>621.381  / H474m 1990