P. Vázquez González, C. Abelairas Gómez, S. López García, and J. Palacios Aguilar, “El Nadador de Rescate SAR. Revisión Histórica (The SAR Rescue Swimmer. Historical Review)”, Retos, vol. 31, pp. 145–150, Jan. 2017, doi: 10.47197/retos.v0i31.49220.