Vieira, D.B., Neto, F.L. and Santos, R.P. dos (1998) “Relation among intensity, duration and frequency of rainfall in Mococa, State of São Paulo, Brazil”, Pesquisa Agropecuaria Brasileira, 33(8), pp. 1215–1220. doi:10.1590/S1678-3921.pab1998.v33.4953.