Alfrey, G. F. <br/><br/>
Physical electronics 
[by] G.F. Alfrey. 
 - London ;  New York :  Van Nostrand,  1964. 
 - 220 p.  ill. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrons<br/>Electronics