Quat. res. Quat. res. New speleothem data from Molinos and Ejulve caves reveal Holocene hydrological variability in northeast Iberia Moreno A. Perez-Mejias C. Bartolome M. Sancho C. Universidad de Zaragoza Cacho I. Stoll H. Delgado-Huertas A. Hellstrom J. Edwards R.L. Cheng H. 2017 research-article