@article {35845,
	title = {Cyclic marine sedimentation in the Lower Cretaceous Luscar Group and Spirit River Formation of the Alberta Foothills and Deep Basin. In : James, D. P. and D. A. Leckie, editors, Sequences, stratigraphy, sedimentology : surface and subsurface},
	volume = {Memoir 15},
	year = {1988},
	pages = {143-154},
	institution = {Canadian Society of Petroleum Geologists},
	author = {MacDonald, D. E. and Langenberg, C. W. and Strobl, R. S.}
}
