Auad, A. M.; Carvalho, C. A. de; Silva, D. M. da; Deresz, F. Fluctuation of Spittlebug Population in Brachiaria and in Elephant Grass. PAB 2010, 44 (9), 1205-1208. https://doi.org/10.1590/S1678-3921.pab2009.v44.1796.