[2] Rose and Smith, Mathematica in Education and Research, 6(3): 22--26, 1997

[3] M. H. DeGroot, Probability and Statistics, Second Edition, Addison-Wesley, Reading, Massachusetts, 1986.

[5] M. Abramowitz and I. Stegun, Handbook of Mathematical Functions, Dover, Mineola, New York, 1970.