Heywood, D Ian. <br/><br/>
Introduction to Geographical Information System  

 - New Delhi  Pearson Education  2000 
 - 279 p.  24cm. 
<br/><br/><label>ISBN: </label>9789814053228 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geographic information Systems
<br/><br/><label>Dewey Class. No.: </label>004  / HEY-A