Towers, T. D.  _ <br/><br/>
Towers' international transistor selector  specification data for the identification, selection, and substitution of transistors 

 - 4th ed 
 - Delhi  BPB  1992 
 - 432p, 24cm 
<br/><br/><label>Dewey Class. No.: </label>621.381528,  / D, tow