Heywood, Ian. Cornelius, Sarah. Carver, Steve and Raju, Srin  <br/><br/>
Introduction to geographical information systems  

 - 2nd  
 - Pearson education of asia   New Delhi   2007 
 -  275 
<br/><br/><label>ISBN: </label>81-7758-784-6  
<br/><br/><label>Subjects--Topical Terms: </label><br/>INFORMATION SCIENCE