HIDALGO PAZMIÑO, R. Modern drinking water supplies for cities. Revista Universidad de Guayaquil, [S. l.], v. 5, n. 1, p. 171–199, 1934. DOI: 10.53591/rug.v5i1.1138. Disponível em: https://revistas.ug.edu.ec/index.php/rug/article/view/1138. Acesso em: 21 apr. 2026.