Alves, S.M. de F. and Seraphin, J.C. 2004. Soil heterogeneity coefficient and plot size. Pesquisa Agropecuaria Brasileira. 39, 2 (Feb. 2004), 105–111. DOI:https://doi.org/10.1590/S1678-3921.pab2004.v39.6744.