Riley, N. J. (1995). Foraminiferal Biostratigraphy of the Chadian Stage stratotype (Dinantian), Chatburn, Northwest England. Bulletin de la Société belge de Géologie. 103(1-2)[1994]: 13-49.
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Riley, N. J.
1995
Foraminiferal Biostratigraphy of the Chadian Stage stratotype (Dinantian), Chatburn, Northwest England.
Bulletin de la Société belge de Géologie