Ginkel, A. C. van. (1983). Carboniferous fusulinids in a coastal section near Pendueles (Asturias, Spain). Leidse Geologische Mededelingen. 52(2): 193-241.
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Ginkel, A. C. van
1983
Carboniferous fusulinids in a coastal section near Pendueles (Asturias, Spain)