Tavares, L.C.M. et al. 2018. EVALUATION OF NON-PERMANENT AND PERMANENT REGIME MODELS FOR CALCULATION OF DRAIN SPACING. Revista Brasileira de Engenharia de Biossistemas. 12, 3 (Sep. 2018), 248–256. DOI:https://doi.org/10.18011/bioeng2018v12n3p248-256.