Tyner, Judith. <br/><br/>
Introduction to thematic cartography / 
Judith Tyner. 
 - Englewood Cliffs, N. J. :  Prentice-Hall,  1992. 
 - 299 p. :  ill., maps (some col.) ;  25 cm. 
<br/><br/>Bibliography : p. 285-289. 
<br/><br/><label>ISBN: </label>0134891058  RM136.76 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cartography.