@article{articlee30261a3,
title   = {Internal surface roughness of plastic pipes for irrigation},
author = {Rocha, Hermes S. da and Marques, Patricia Angélica Alves and Camargo, Antonio Pires de and Frizzone, Jose Antonio and Saretta, Ezequiel},
year = {2017},
doi = {10.1590/1807-1929/agriambi.v21n3p143-149},
journal   = {Revista Brasileira de Engenharia Agrícola e Ambiental}
}