@article{articlee2b8759d,
title   = {Land use and nitrogen export in the Piracicaba river basin, Southeast Brazil},
author = {Filoso, S and Martinelli, Luiz Antonio and Williams, M R and Lara, L B L S and Krusche, Alex Vladimir and Ballester, Maria Victoria Ramos and Victoria, Reynaldo Luiz and Camargo, Plinio Barbosa de},
year = {2003},
journal   = {Biogeochemistry}
}