1. Active tilting of the United States midcontinent: geodetic and geomorphic evidence;Adams;Geology,1980
2. Ager, D. V., 1973, The Nature of the Stratigraphical Record: New York, John Wiley, 114 p.
3. A reinterpretation of the basal ‘Littoral Lias’ of the Vale of Glamorgan;Ager;Proc. Geol. Assoc.,1986
4. The New Catastrophism;Ager,1993
5. Sub-Fairholme Devonian rocks of the eastern Front Ranges, Southern Rocky Mountains, Alberta;Aitken;Geol. Surv. Can. Pap.,1966