Chen, Hai-Yang <br/><br/>
Source apportionment of sediment PAHs in the Pearl River Delta region (China) using nonnegative matrix factorization analysis with effective weighted variance solution.  [electronic resource] 

 -  The Science of the total environment  Feb 2013 
 - 401-8 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1879-1026 
<br/><br/><label>Standard No.: </label>10.1016/j.scitotenv.2012.11.108  doi