Chrisman, Nicholas. <br/><br/>
Exploring geographic information systems / 
Nicholas Chrisman. 
 - 2nd ed. 
 - New York  :  John Wiley,  2002. 
 - xiv, 305 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references (p.265-292) and index. 
<br/><br/><label>ISBN: </label>0471314250 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geographic information systems.
<br/><br/><label>Dewey Class. No.: </label>025.1691