1. Attanasi, E. D., and Charpentier, R. R., 2002, Comparison of two probability distributions used to model sizes of undiscovered oil and gas accumulations—does the tail wag the assessment?: Jour. Math. Geology, v. 34, no. 6, p. 767–777.
2. Charpentier, R. R., and Klett, T. R., 2000, Monte Carlo simulation method, chap. MC of U.S. Geological Survey World Energy Assessment Team, U.S. Geological Survey World Petroleum Assessment 2000—Description and Results: U.S. Geol. Survey Digital Data Series 60, 15 p. [Also available at http://energy.cr.usgs.gov/WEcont/chaps/MC.pdf]
3. Crovelli, R. A., 1999, Analytic resource assessment method for conventional oil and gas accumulations—the “ASSESS” method: U.S. Geol. Survey Open-File Rept. 99–405, 34 p.
4. Dolton, G. L., Carlson, K. H., Charpentier, R. R., Coury, A. B., Crovelli, R. A., Frezon, S. E., Khan, A. S., Lister, J. H., McMullin, R. H., Pike, R. S., Powers, R. B., Scott, E. W., and Varnes, K. L., 1981, Estimates of undiscovered recoverable conventional resources of oil and gas in the United States: U.S. Geol. Survey Circ. 860, 87 p.
5. Drew, L. J., and Schuenemeyer, J. H., 1993, The evolution and use of discovery process models at the U.S. Geological Survey: Am. Assoc. Petroleum Geologists Bull., v. 77, no. 3, p. 467–478.