1. Vail, P. R., Mitchum, R. M. Jr & Thompson, S. III Mem. Am. Ass. Petrol. Geol. 26, 83–97 (1977).
2. Vail, P. R. & Todd, R. G. in Petroleum Geology of the Continental Shelf of North-West Europe (eds Illing, L. V. & Hobson, G. D.) 216–235 (Institute of Petroleum, London, 1981).
3. von Mojsisovičs, E. Geol. Reichsanstalt Jb. 19, 91–150 (1869).
4. von Bittner, A. Geol. Reichsanstalt Jb. 42, 387–396 (1892).
5. Silberling, N. J. & Tozer, E. T. Am. geol. Soc. Spec. Pap. 110 (1968).