Townsend-Small, Amy Suspended sediments and organic matter in mountain headwaters of the Amazon River: Results from a 1-year time series study in the central Peruvian Andes - Amsterdam Elsevier 2008 - pp. 732-740 ilus. Subjects--Topical Terms: HIDROGEOQUIMICAMATERIA ORGANICASEDIMENTOS FLUVIALES Subjects--Geographic Terms: AMAZONIAANDESCERRO DE PASCOCHOROBAMBA, RIOOXAPAMPAPACHITEA, RIOPERU