Wang, G. <br/><br/>
Eco-environmental degradation and causal analysis in the source region of the Yelow River 

 - Berlin  Springer-Verlag   mayo 2001 
 - pp. 884-890  ilus., tbls. 
<br/><br/><label>ISSN: </label>0943-0105 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ACTIVIDAD HUMANA<br/>CAMBIO CLIMATICO<br/>CONTAMINACION AMBIENTAL<br/>DEGRADACION<br/>PERMAFROST
<br/><br/><label>Subjects--Geographic Terms: </label><br/>CHINA<br/>RIO AMARILLO