The sequence of trilobite faunas and acritarch microfloras at the Cambrian-Ordovician boundary, Wilcox Pass, Alberta, Canada
Dean, W.T.; Martin, F. (1982). The sequence of trilobite faunas and acritarch microfloras at the Cambrian-Ordovician boundary, Wilcox Pass, Alberta, Canada, in: Bassett, M.G. et al. (Ed.) The Cambrian-Ordovician boundary: Sections, fossil distributions, and correlations. Geological Series, 3: pp. 131-140, plate 1
In: Bassett, M.G.; Dean, W.T. (Ed.) (1982). The Cambrian-Ordovician boundary: Sections, fossil distributions, and correlations. Geological Series, 3. National Museum of Wales: Cardiff. ISBN 0-7200-0253-2. 227 pp.
In: Geological Series. National Museum of Wales: Cardiff. ISSN 0962-0575
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