Seasonal differences in trace metal concentrations in the major rivers of the hyper-arid southwestern Andes basins of Peru

by Ccanccapa-Cartagena, Alexander, Chavez Gonzales, Francisco D., Paredes, Betty, Vera, Corina, Gutierrez, Guillermo, Valencia, Roland, Paz Alcázar, Ana Lucia, Zyaykina, Nadezhda N., Filley, Timothy R., Jafvert, Chad T.