@article{article1a1d611d,
title   = {Carbon isotope discrimination in forest ans pasture ecosystems of the Amazon basin, Brazil},
author = {Ometto, Jean Pierre Henry Balbaud and Flanagan, L. B. and Martinelli, Luiz Antonio and Moreira, Marcelo Zacharias and Higuchi, Niro and Ehleringer, J. R.},
year = {2002},
doi = {10.1029/2001gb001462},
journal   = {Global Biogeochemical Cycles}
}