1. Apostolatos, N., Kulisch, U., Krawczyk, R., Lortz, B., Nickel, K., Wippermann, H.-W.: The Algorithmic Language TRIPLEX ALGOL 60, Num. Math. 11, 175–180 (1968)
2. Bohlender, G.: Floating-point Computation of functions with maximum accuracy. IEEE Trans. Comp. C-26, Nr. 7, 621–632 (1977)
3. Bohlender, G., Kaucher, E., Klatte, R., Kulisch, U., Miranker, W.L., Ullrich, Ch. und Wolff von Gudenberg, J.: FORTRAN for contemporary numerical computation, Report RC 8348, IBM Thomas J. Watson Research Center 1980 and Computing 26, 277–314 (1981)
4. TS Report;U. Kulisch,1969
5. TS Report;U. Kulisch,1970