[1]
Willems, H. 1985. Marine uppermost Cretaceous and Garumnian facies in the region of Boixols-Coll de Nargó Anticline (prov. Lérida. Spain). Estudios Geológicos. 41, 1-2 (abr. 1985), 17–24. DOI:https://doi.org/10.3989/egeol.85411-2686.