Wortman, Leon A. <br/><br/>
Closed-circuit television handbook, 
by Leon A Wortman. 
 - [1st ed.] 
 - Indianapolis,  Howard W. Sams  [1964] 
 - 286 p.  illus., maps.  23 cm. 
 - A Howard W. Sams photafact publication,  CLC-1 .
<br/><br/><label>LCCN: </label>64017833  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Closed-circuit television.
<br/><br/><label>LC Class. No.: </label>TK6680  / .W6 
<br/><br/><label>Dewey Class. No.: </label>621.3881