Author: Fortey, R.A., & Owens, R.M., 1987.:
Title: The Arenig Series in South Wales. (The Arenig Series in South Wales: Stratigraphy and palaeontontology. Part I.)
Description: Bull. Brit. Mus. (Nat. Hist.), Geol., 41(1): pp. 69-307, numerous photos and figs. in 146 illustr. in text, 1 fold. map, bibliogr., index. Paperbound, orig. printed wrappers. Spine neatly mended, fine otherwise. - Mainly on the large trilobite fauna.

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