Frattini, C.T.A. and Kalckmann, R.E. 2014. Correlation among some methods of carbono determination. Pesquisa Agropecuaria Brasileira. 2, 1 (Apr. 2014), 259–261. DOI:https://doi.org/10.1590/S1678-3921.pab1967.v2.17900.