Zworykin, V. K. <br/><br/>
Photoelectricity and its application, 
by V.K. Zworykin and E.G. Ramberg. 
 - New York,  J. Wiley  [1949] 
 - xii, 494 p.  illus.  24 cm. 
<br/><br/><label>Subjects--Index Terms: </label>Photoelectric cells 
<br/><br/><label>Dewey Class. No.: </label>537.53  / ZWO