Patent overlay maps: Spain and the Basque Country. - Javier Gavilanes-Trapote; Rosa María Río-Belver; Ernesto Cilleruelo; Gaizka Garechana; Jaso Larruscain Sarasola (Int. J. Technol. Manag., 2015)

Clusterization and mapping of waste recycling science. Evolution of research from 2002 to 2012. - Gaizka Garechana; Rosa María Río-Belver; Ernesto Cilleruelo; Jaso Larruscain Sarasola (J. Assoc. Inf. Sci. Technol., 2015)

Characterization of strategic emerging technologies: the case of big data. - Iñaki Bildosola; Gaizka Garechana; Enara Zarrabeitia; Ernesto Cilleruelo (Central Eur. J. Oper. Res., 2020)