Perecin, Dilermando, et al. “Distribution Patterns of TF-VS4, TJ60-11006 and TQ15006 Nozzles in a Patternator”. Pesquisa Agropecuaria Brasileira, vol. 33, no. 2, Feb. 1998, pp. 175-82, doi:10.1590/S1678-3921.pab1998.v33.4835.