Ketcham, Howard  (1902- ). <br/><br/>
Color planning for business and industry / 
by Howard Ketcham. 
 - New York :  Harper,  cop. 1958. 
 - XIV, 274 s., [8] s. tabl. :  il. (w tym kolor.) ;  25 cm. 
<br/><br/>Indeks. 
<br/><br/><label>Universal Decimal Class. No.: </label>659.1 :  7.017