Mustoe, G.E. (1 January 2011). "Cyclic sedimentation in the Eocene Allenby Formation of south-central British Columbia and the origin of the Princeton Chert fossil beds". Canadian Journal of Earth Sciences. 48 (1): 25–43. Bibcode:2011CaJES..48...25B. doi:10.1139/E10-085.
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Mustoe, G.E. (1 January 2011). "Cyclic sedimentation in the Eocene Allenby Formation of south-central British Columbia and the origin of the Princeton Chert fossil beds". Canadian Journal of Earth Sciences. 48 (1): 25–43. Bibcode:2011CaJES..48...25B. doi:10.1139/E10-085.