L. C. Távara-Espinoza and E. Sanz, “Hydrogeology and hydrodynamic of the Gormaz Springs Aquifer and its importance to the base flow of the Duero River, Spain”, Tecnol. cienc. agua, vol. 1, no. 3, pp. 05–20, Aug. 2010, doi: 10.24850/j-tyca-2010-03-01.