Nancy J. Obermeyer <br/><br/>
Managing geographic information systems 

 - New York<br/>  Guilford Publications  1994 
 - 226p 
<br/><br/><label>ISBN: </label>0898620058 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography & Travel
<br/><br/><label>Dewey Class. No.: </label>910.285  / OBE