DeMers, Michael N. <br/><br/>
Fundamentals of geographic information systems / 
Michael N. DeMers. 
 - 4th ed. 
 - Hoboken, NJ :  Wiley,  c2009. 
 - xiii, 443 p. :  ill. maps. ;  26 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9780470129067 (alk. paper) 
<br/><br/><label>LCCN: </label>2007-038332 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geographic information systems--Textbooks.