Antonio Veronez de Sousa, Sérgio, et al. “Development and Characterization of a Fixed Sprinkler With a Rotating Serrated Plate”. Pesquisa Agropecuaria Brasileira, vol. 33, no. 2, Feb. 1998, pp. 163-74, doi:10.1590/S1678-3921.pab1998.v33.4836.