Contaminacion de aguas por metales

http://www.scribd.com/doc/32033552/The-Amazon-River-Behaviour-of-Metals-Fe-Al-Mn

http://www.scribd.com/doc/32033905/Heavy-Metals-in-Samarra

http://www.scribd.com/doc/32034072/Size-and-Composition-of-Colloidal-Organic-Matter-and-Trace-Elements-in-the-Mississipi-River

http://www.scribd.com/doc/32034120/Spatial-Distribution-of-Trace-Metals-in-the-Krka-River-Croatia

http://www.scribd.com/doc/32034202/Geochemistry-of-the-Upper-Han-River-Basin-China-1