CUFF, David J. Mattson, Mark T. <br/><br/>
Thematic maps: their design and production / 
[by] David j.Cuff, Mark T.Mattson 
 - New York  Methuen  1982 
 - ix, 169 p. 
<br/><br/> Includes appendix. 
<br/><br/><label>ISBN: </label>71790 
<br/><br/><label>Dewey Class. No.: </label>526  / CUF