Erratum: Ramos, F.; Trilles, S.; Torres-Sospedra, J.; Perales, F.J. New Trends in Using Augmented Reality Apps for Smart City Contexts. ISPRS Int. J. Geo-Inf. 2018 7, 478. - Pravesh Yagol; Francisco Ramos 001; Sergio Trilles; Joaquín Torres-Sospedra; Francisco José Perales López (ISPRS Int. J. Geo Inf., 2020)