TY  - JOUR
T1  - Cenomanian ammonites from Santander (Cantabria) and Sopeira (Aragón, southcentral Pyrenees), northern Spain
AU  - Kennedy, W. J.
AU  - Bilotte, M.
PY  - 2014
VL  - 20
JF  - Treballs del Museu de Geologia de Barcelona