Sommer, A. H <br/><br/>
Photoemissive materials  preparation, properties and uses 
A. H. Sommer  
 - New York  Wiley  1968 
 - ix, 256p. 
<br/><br/><label>ISBN: </label>471-81300-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>NASA thesaurus<br/>Photoelectric emission<br/>Photographic processing<br/>Photography
<br/><br/><label>Universal Decimal Class. No.: </label>621.383  / SOM