Heywood, Ian <br/><br/>
An introduction to geographical information systems / 

 - 4th ed. 
 - Harlow :  Pearson   2011 
 - xxxiv, 446 p.   col. ill. 
<br/><br/><label>ISBN: </label>9780273722595 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geographic information systems 
<br/><br/><label>Dewey Class. No.: </label>910.285  / HEY