Miqueloni, D.P., Bueno, C.R.P. and Ferraudo, A.S. (2012) “Spatial analysis of universal soil loss equation factors of a watershed area relief”, Pesquisa Agropecuaria Brasileira, 47(9), pp. 1358–1367. doi:10.1590/S1678-3921.pab2012.v47.11120.