López-Moreno, J.I. Revuelto, J. Rico, I. Chueca-Cía, J. Julián, A. Serreta, A. Serrano, E. Vicente-Serrano, S. Azorin-Molina, C. Alonso-González, E. García-Ruiz, J.M. Thinning of the Monte Perdido Glacier in the Spanish Pyrenees since 1981 CRYOSPHERE 10.5194/tc-10-681-2016 2016 2016