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

 - Delhi  Pearson Education Publisher 
 -  295 
<br/><br/><br/>Eng. 
<br/><br/><label>ISBN: </label>81-7808-982-3 
<br/><br/><label>Dewey Class. No.: </label>004.65 HEY-A