Simonett, O.V. <br/><br/>
goegraphical information systems for enviroment and development 

 - Zurich  United nations Enviromental Program  1992 
 - viii, 183p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information Systems|growth & development|Evaluation Studies
<br/><br/><label>LC Class. No.: </label>WX 173 U54 1993