Heinemann, A.B. et al. 1998. Influence of sprinkler height on the uniformity of water distribution of a central pivot system. Pesquisa Agropecuaria Brasileira. 33, 9 (Sep. 1998), 1487–1491. DOI:https://doi.org/10.1590/S1678-3921.pab1998.v33.4984.