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

 - 2nd ed. 
 - Delhi:   Pearson Education,   2003. 
 - xv, 295p.;17cms. 
<br/><br/><label>ISBN: </label>8178089823 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography
<br/><br/><label>Dewey Class. No.: </label>910.285 H49, 2