Araus, J. L., Febrero, A., Buxó, R., Canalich, M.D., Martín, D., Molina, F., Rodríguez-Ariza, M.O. & Romagosa, I. (1995).

Changes in carbon isotopic discrimination in grain cereals from Catalonia and eastern Andalusia during the past seven millennia. Palaeoenvironmental evidence of a differential change in aridity during the late Holocene. In T. P.-G. Aleixandre, A. (Ed.), CSIC, 175-186.