Núñez Maderal, Eduardo, Julián Delgado Hernández, Nuria Valcárcel Sanz, Xalo Fernández Villarino, y Alfonso Boluda Sánchez. 2018. «SIOSE Coverage Integration into the Productive System of National Topographic Map at Scale 1: 25.000». REVISTA INTERNACIONAL MAPPING 24 (170):30-42. https://ojs.revistamapping.com/MAPPING/article/view/60.