DeMers, Micheal N. , <br/><br/>
Fundamentals of geographic information systems / 
Michael N. DeMers. 
 - 3rd ed 
 - xi, 468 pages :  illustrations, maps ;  27 cm. 
<br/><br/><label>ISBN: </label>0471204919 9780471204916 0471451495 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geographic information systems.
<br/><br/><label>LC Class. No.: </label>G70.212   / .D45 2005