E. Núñez Maderal, J. Delgado Hernández, N. Valcárcel Sanz, X. Fernández Villarino, y A. Boluda Sánchez, «SIOSE coverage integration into the productive system of National Topographic Map at scale 1: 25.000», MAPPING, vol. 24, n.º 170, pp. 30–42, sep. 2018.