Krause, Federico F.Hall, R. L.Joiner, S. D.Deutsch, K.B.2007-06-112007-06-111994Krause, F., Hall, R.L., Jointer, S.D., and Deutsch, K.B. (1994). "Biostratigraphic evaluation of a sequence bounding surface: The Cardinal/Leyland unconformity ("E5/T5 surface") in the Cardium Formation (Upper Cretaceous; upper Turonian - lower Coniacian) at Seebe, Alberta", Bulletin of Canadian Petroleum Geology, 42: 296-311.0007-4802http://hdl.handle.net/1880/44672engGeologyGeophysicsBiostratigraphic evaluation of a sequence bounding surface: The Cardinal/Leyland unconformity ("E5/T5 surface") in the Cardium Formation (Upper Cretaceous; upper Turonian - lower Coniacian) at Seebe, Albertajournal article10.11575/PRISM/30229