1. Davis, Michael, 1985, personal communication.
2. Gupta, S. S., 1963, Probability integrals of multivariate normal and multivariate t: Ann. Math. Stat., v. 34, p. 792?828.
3. Johnson, N. L. and Kotz, S., 1972, Distributions in statistics: Continuous multivariate distributions: John Wiley & Sons, New York, 333 p.
4. Journel, A. G., 1982, The indicator approach to estimation of spatial distributions,in Proceedings of the 17th APCOM Symposium: Society of Mining Engineers, AIME, New York, p. 793?806.
5. Journel, A. G., 1983, Nonparametric estimation of spatial distributions: Math Geol., v. 15, p. 445?468.