Geographic information systems for environment and development :    inaugural dissertation. 

 - Zurich :    United Nations Education Programme,    1992. 
 - 183 p. :    ill. ;    30 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Geographic information systems.<br/> Environmental impact assessment.<br/> Development economics.