Modular Prolog
An interpreter for SB-Prolog version 3.1 extended with ML-style modules. Runs on SPARC. Distributed under GNU General Public License.
(ftp://ftp.dcs.ed.ac.uk/pub/dts/mod-prolog.tar.Z). E-mail: Brian Paxton
["A Calculus for the Construction of Modular Prolog Programs", D. Sannella et al, J Logic Prog 12:147-177 (1992)].
(1994-10-25)