Koser, John R. <br/><br/>
Watercolor red, yellow, blue  :  Intermediate techniques for bringing color to life with a primary palette 
/ John R. Koser 
 - New York  : Watson-Guptill Publications  , c1990. 
 - 144 p. us  : il. retrs.  29.95 
<br/><br/><label>ISBN: </label>0-8230-5679-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Watercolor painting
<br/><br/><label>Dewey Class. No.: </label>751 KOS