Davis, Bruce E. , <br/><br/>
GIS :  a visual approach / 
Bruce E. Davis. 
 - 2nd ed. 
 - x, 438p. :  illustrations ;  24 cm. 
<br/><br/><label>ISBN: </label>076682764X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geographic information systems.
<br/><br/><label>LC Class. No.: </label>G70.212   / .D38 2001