Demers, Michael N <br/><br/>
Fundamentals of geographic information systems 

 - New York  John Wiley  1997 
<br/><br/><label>ISBN: </label>0471142840 
<br/><br/><label>Subjects--Index Terms: </label>Geographic Information System  GIS 
<br/><br/><label>Dewey Class. No.: </label>910.285