@article{articlee902ea7e,
title   = {Effects of sewage on the chemical composition of Piracicaba river, Brazil},
author = {Martinelli, Luiz Antonio and Krusche, Alex Vladimir and Victoria, Reynaldo Luiz and Camargo, Plinio Barbosa de and Bernardes, Marcelo and Ferraz, Epaminondas Sansigolo de Barros and Moraes, Jorge Marcos de and Ballester, Maria Victoria Ramos},
year = {1999},
journal   = {Water, Air, & Soil Pollution}
}