@article{article86daa96d,
title   = {Nucleon `sigma´-term and the chiral limit},
author = {Cavalcante, Isabela Porto and Robilotta, Manoel Roberto and Zarnauskas, Gabriel Rocha de Santana and Borges, J A},
year = {2007},
journal   = {International Journal of Modern Physics E - Nuclear Physics}
}