Blakemore, Michael <br/><br/>
Handling geographical information 
 methodology and potential applications 
edited by Ian Masser 
 - Essex  Longman  1991 
 - xii, 317 pages : illustrations 
<br/><br/><label>ISBN: </label>0582067308 
<br/><br/><label>LC Class. No.: </label>G 70.2 Han