Geographic information systems and science / 
Paul A. Longley ...[et al.]. 
 - 3rd ed. 
 - Danvers, MA :  John Wiley,  2011. 
 - xx, 539 p. :  col. ill., maps ;  28 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>9780470721445