1. Kent, P. E., and Walmsley, P. J., Bull. Am. Ass. Petrol. Geol., 54, 168–181 (1970).
2. Patijn, R. J. H., Erdöl Kohle Erdgas Petrochem., 17, 2–9 (1964).
3. Brunstrom, R. G. W., and Walmsley, P. J., Bull. Am. Ass. Petrol. Geol., 53, 870–883 (1969).
4. Glennie, K. W., Bull. Am. Ass. Petrol. Geol., 56, 1048–1071 (1972).
5. Thomas, A. N., Walmsley, P. J., and Jenkins, D. A. L., Bull. Am. Ass. Petrol. Geol., 58, 396–406 (1974).