Fracer Taylor <br/><br/>
Geographic information systems: The micro computer and modern cartography 

 - 
 -  Pergamon  1991 
 - 251 
<br/><br/>  
<br/><br/><label>ISBN: </label>0-08-040278-x 
<br/><br/><label>Dewey Class. No.: </label>004.414.2