Geographic information systems :  principles, techniques, management, and applications / 
 Geographic information systems  [electronic resource] 
edited by Paul A. Longley ... [et al.] 
 - 2nd ed., abridged 
 - Hoboken, NJ:  John Wiley & Sons,  2005 
 - xlv, 358 p. :  ill. ;  26 cm. +  1 computer disc 
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>0471735450 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geographic information systems