Chrisman, Nicholas <br/><br/>
Exploring geographic information systems 

 - New York, N.Y. :  Wiley,  1997 
 - 298 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GEOGRAPHIC INFORMATION SYSTEMS
<br/><br/><label>LC Class. No.: </label>G70.212  / C474E