P. Copper, “Reefs under stress; the fossil record”, in Proceedings of the VI international symposium on Fossil Cnidaria and Porifera; Volume 2, vol. 172, P. Oekentorp-Kuester, Ed. Senckenbergische Naturforschende Gesellschaft, Frankfurt, Federal Republic of Germany, 1994, pp. 87-94.

• Google Scholar

P. Copper, “Reefs during the multiple crises towards the Ordovician-Silurian boundary; Anticosti Island, Eastern Canada, and worldwide”, in Impacts and mass extinctions; papers in honor of Glen Caldwell--Impacts et extinctions massives; articles en l'honneur de Glen Caldwell, vol. 38, P. Copper and Jin, J., Eds. National Research Council of Canada, Ottawa, ON, Canada, 2001, pp. 153-171.

• Google Scholar

P. Copper, “Reefs during the multiple crises towards the Ordovician-Silurian boundary; Anticosti Island, Eastern Canada, and worldwide”, in Impacts and mass extinctions; papers in honor of Glen Caldwell--Impacts et extinctions massives; articles en l'honneur de Glen Caldwell, vol. 38, P. Copper and Jin, J., Eds. National Research Council of Canada, Ottawa, ON, Canada, 2001, pp. 153-171.

• Google Scholar

P. Copper, “Reef development at the Frasnian/Famennian mass extinction boundary”, in Late Devonian biotic crisis; ecological, depositional and geochemical records, vol. 181, G. Racki and House, M. R., Eds. Elsevier, Amsterdam, Netherlands, 2002, pp. 27-65.

• Google Scholar

P. Copper, “Reefs under global climate stress; a Paleozoic paradox from the Late Ordovician through Devonian”, in 9th North American paleontological convention; abstracts, vol. 9, North American Paleontological Convention, [varies], International, 2009, p. 313.

• Google Scholar