Defrance, Joseph J. <br/><br/>
Electron tubes and semiconductors/ 
Joseph J. Defrance 
 - Englewood Cliffs:  Prentice-Hall,  1958 
 - xiii, 288 p.;  23 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> $ 8.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electron tubes<br/>Semiconductors<br/>Vacuum-tubes<br/>Electrons--Emission<br/>Cathode-ray tubes<br/>Transistors
<br/><br/><label>Dewey Class. No.: </label>621.38151