Technical papers 1989 ASPRS/ACSM annual convetion 

 - America  American society for photogrammerty  1989 
<br/><br/><label>ISBN: </label>0-9444426-51-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geographical Information Systems
<br/><br/><label>LC Class. No.: </label>FASS G 70.212 .A44 1990