Scaloppi, E. J., Colombo, A., & Gil, O. de F. (2014). Performance of a rotating impact-driven sprinkler with tapered and ring nozzle. Pesquisa Agropecuaria Brasileira, 20(9), 1077–1084. https://doi.org/10.1590/S1678-3921.pab1985.v20.16217