Radio valve and semiconductor data 
Compiled by S.M. Ball 
 - 10th ed. 
 - London  Newnes Technical Books  1975 
 - vii,179p. 
<br/><br/><label>ISBN: </label>0408001895 
<br/><br/><label>Subjects--Index Terms: </label>Radio 
<br/><br/><label>Dewey Class. No.: </label>621.3841 32  / BAL