1. Chronostratigraphic markers in the end-Precambrian carbon isotope record of the Lesser Himalaya
2. Middle Cambrian to Middle Ordovician cyclic sedimentation, southern Rocky Mountains of Alberta;Aitken;Bulletin of Canadian Petroleum Geology,1966
3. Bond G. C. Kominz M. A. Grotzinger J. P. (1988) in New Perspectives in Basin Analysis, Cambro-Ordovician eustacy: evidence from geophysical modelling of subsidence in Cordilleran and Appalachian passive margins, eds Kleinspehn K. L. Paola C. (Springer-Verlag, New York), pp 129–160.
4. Low productivity and slow deep-water circulation in mid-Cretaceous oceans
5. The Cambrian radiation event;Brasier,1979