Alfrey, G. F. <br/><br/>
Physical electronics / 
[by] G.F. Alfrey. 
 - London ;  New York :  Van Nostrand,  c1964 
 - 220 p. :  illus. ;  24 cm. 
<br/><br/>Includes bibliographical reference and index, 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrons.<br/>Electronics.
<br/><br/><label>Dewey Class. No.: </label>537.5  / ALP 1964