Stony Brook Prolog. A public domain Prolog interpreter for Unix . Version 3.1. Distributed under the GNU General Public License .
ftp://sbcs.sunysb.edu/pub/sbprolog/ .
Amiga version 2.3.2 and ftp://ftp.cso.uiuc.edu/amiga/fish/f1/ff141 .
E-mail: warren@sbcs.sunysb.edu .
(1995-01-16)