Hedges, John I. Organic matter in Bolivian tributaries of the Amazon river: a comparison to the lower mainstream - Ann Arbor, Michigan American Society of Limnology and Oceanography 2000 - pp. 1449-1466 ilus. Subjects--Topical Terms: ANALISIS CUANTITATIVOGEOQUÍMICAISOTOPOS ESTABLESMATERIA ORGANICASEDIMENTOS FLUVIALES Subjects--Geographic Terms: AMAZONIAANDESBENI, RIOBOLIVIA