1. Abramowitz, M. and Stegun, I. A., editors (1964) Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables, volume 55 of National Bureau of Standards Applied Mathematics Series. US Government Printing Office, Washington.
2. Alefeld, G. and Herzberger, J. (1983) Introduction to Interval Computations. Academic Press.
3. Bailey, D. H. (1993) Algorithm 719: Multiprecision translation and execution of FORTRAN programs. ACM Trans. Math. Software 19, 288 - 319.
4. Boisvert, R. F. and Saunders, B. V. (1992) Portable vectorized software for Bessel function evaluation. ACM Trans. Math. Software 18, 456-469. For corrigendum see same journal v. 19, p. 131.
5. Cody, W. J. (1993a) Algorithm 714. CELEFUNT: A portable test package for complex elementary functions. ACM Trans. Math. Software 19, 1 - 21.