The Free On-line Dictionary of Computing (30 December 2018):
qdjanus A Janus-to-Prolog compiler by Saumya Debray. It is meant to be used with Sicstus Prolog and is mostly compliant with "Programming in Janus" by Saraswat, Kahn, and Levy. (ftp://cs.arizona.edu/janus/qdjanus/). (1992-05-18)