@inbook{inbookeaeb2814,
title   = {Biogeochemistry of a major river system ; the amazon case study},
author = {Richey, Jeffrey Edward and Victoria, Reynaldo Luiz and Salati, Eneas and Forsberg, B R},
year = {1991},
publisher = {John Wiley},
journal   = {Biogeochemistry of Major World Rivers}
}