Elisa Vargas-Amelin; Pablo Pindado (10 October 2014). "The challenge of climate change in Spain: Water resources, agriculture and land". Journal of Hydrology. 518B: 243–249. Bibcode:2014JHyd..518..243V. doi:10.1016/j.jhydrol.2013.11.035.
Elisa Vargas-Amelin; Pablo Pindado (10 October 2014). "The challenge of climate change in Spain: Water resources, agriculture and land". Journal of Hydrology. 518B: 243–249. Bibcode:2014JHyd..518..243V. doi:10.1016/j.jhydrol.2013.11.035.