SALAS CHALLCO, B. M.; MASÓ PAU, J.; PESQUER MAYOS, L. ESTUDIO DEL ESTANDAR WATERML. GeoFocus. International Review of Geographical Information Science and Technology, [S. l.], n. 19, p. 129–150, 2017. DOI: 10.21138/GF.485. Disponível em: https://www.geofocus.org/index.php/geofocus/article/view/485. Acesso em: 30 apr. 2025.