Heywood,  Ian; Cornelius, Sarah  & Steve, Carver <br/><br/>
An Introduction to geographical information systems 

 - 3rd ed 
 - Pearson, New Delhi  2010 
 - xxxvi,426 
<br/><br/><label>ISBN: </label>9788131731932 
<br/><br/><label>Dewey Class. No.: </label>910.285 Hey