International Research and Training Centre on Erosion and Sedimentation <br/><br/>
Proceeding of the International Symposium on Comprehensive Watershed Management 

 - China,  Patent Documentation,  1998, 
 - xi,565p.  25cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>International Symposium<br/>Comprehensive Watershed<br/>Management
<br/><br/><label>Dewey Class. No.: </label>551.48  / PRO