Alfrey, G. F. <br/><br/>
Physical electronics / 
[by] G. F. Alfrey 
 - London :  D. Van Nostrand,  1964 
 - 220 p. :  ill., fig. ;  23 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrons<br/>Electronics
<br/><br/><label>Dewey Class. No.: </label>537.5