Lima, Luiz Antonio. “Polyethylene, Compaction and Chemical Treatments to Reduce the Seepage Losses from Irrigation Channels”. Pesquisa Agropecuaria Brasileira, vol. 22, no. 11/12, Apr. 2014, pp. 1201-7, doi:10.1590/S1678-3921.pab1987.v22.14683.