Longley, Paul A.;  <br/><br/>
Geographical information systems   principles, techniques, management and applications 

 - 2nd 
 - London<br/>  John Wiley and Sons Limited  2005 
 - xlv, 358p. 
<br/><br/><label>ISBN: </label>0471735450 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GEOGRAPHY AND TRAVEL
<br/><br/><label>Dewey Class. No.: </label>910  / GEO