United Nations <br/><br/>
Global natural resource monitoring and assessments preparing for the 21st century proceedings of the international conference and workshop volume 3 September 24-30,1989  

 - Bethesda    American Society for Photogrammetry and Remote Sensing  1990 
<br/><br/><label>ISBN: </label>978-0-944426-26-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural Resource
<br/><br/><label>Dewey Class. No.: </label>333.7 UNI