Reference
Oriol Oms, Jaume Dinares-Turell, Violeta Riera, R. Gaete, B. Vila, A. Galobart (2009): The continental Cretaceous-Paleogene transition from the southern Pyrenees: magnetostratigraphy and vertebrate succession correlations – Berichte der Geologischen Bundesanstalt – 78: 32.