Heywook,Ian <br/><br/>
Introduction to geographical information systems 

 - 4th 
 - New York  Prentice Hall  2011 
 - 446 
<br/><br/><label>ISBN: </label>9780273722595  4597.09 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Science
<br/><br/><label>Dewey Class. No.: </label>910.285  HEY