1. Phillipi, G. T. Geochim. cosmochim. Acta 29, 1021–1049 (1965).
2. Hood, A., Gutjahr, C. C. M. & Heacock, R. L. Bull. Am. Assoc. Petrol Geol. 59, 986–996. (1975).
3. Connan, J. Bull. Am. Assoc. Petrol. Geol. 59, 2516–2521 (1974).
4. Price, L. C. J. Petrol Geol. 6, 5–38 (1983).
5. Siever, R. Bull. Am. Assoc. Petrol. Geol. 67, 684–691 (1983).