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88 Demaison and Huizinga
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Acknowledgments The writers wish to acknowledge W.
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445-459.
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thickness and yield into a single numerical expression, G. 1977, Source rock characterization method for petroleum
Wmishek f o r his early critical review o f our manuscript, and exploration, in Proceedings of the Ninth Annual Offshore
N. Schneidermann whose support and encouragement resulted Technology Conference, v. 3, p. 439-448.
in this paper being written and presented. We are especially Gonzalez, R., and I. N. Holguin, 1992, Geology of the source
indebted to L. Magoon, who has refined the concept of the rocks of Mexico: Proceedings of the 13th World Petroleum
Congress, Buenos Aires, v. 2, p. 95-104.
petroleum system over recent years and has also spent consid Grunau, H. R., 1987, A worldwide look at the cap-rock
erable effort in improving our original manuscript. In addition, problem: Journal of Petroleum Geology, v. 10, p. 245-266.
the authors gratefully acknowledge the constructive views o f Helwig, J. A., 1985, Origin and classification of sedimentary
Chevron's management, namely M. W. Boyce, E. L . Couch, basins: Proceedings of the Seventeenth Annual Offshore
and R. E. Kropschot. Technology Conference, v. 1, p. 21-32.