Rodríguez Merino, E. E., Errea Abad, M. P., & Lasanta Martínez, T. (2013). Evaluation of the pasture production in abandoned fields of Camero Viejo (Iberian System, La Rioja, Spain). Cuadernos De Investigación Geográfica, 24, 69–88. https://doi.org/10.18172/cig.1027