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

 - 3rd ed 
 - New Delhi  Pearson Education  2010 
 - xxxiii, 426  Pb 
<br/><br/><label>ISBN: </label>978-81-317-3193-2 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Geographical Information Systems<br/>
<br/><br/><label>Dewey Class. No.: </label>526