De France, Joseph J. <br/><br/>
Electron tubes and semiconductors / 
by Joseph J DeFrance 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  1958 
 - 288 p. :  ill. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electron tubes<br/>Semiconductors