Claudia, J. L., McDonald, E. V., Sancho, C., Pena, J. L., Rhodes, E. J. (2009). Climatic implications of correlated Upper Pleistocene glacial and fluvial deposits on the Cinca and Gallego Rivers (NE Spain) based on OSL dating and soil stratigraphy, Global and Planetary Change, 67 (3-4), 141-152