http://www.usenix.org/events/tcl2k/full_papers/roseman/roseman_html/
[essentially unlicensable?]
yes. the code is owned by the new owners of TeamWave and they are not indicating any intention to release the 22,000 lines of Java and Tcl. If people want this badly enough, they should attempt to re-engineer it based on the paper Mark Roseman presented.
abstract: [L1 ], full paper available for purchase or free to USENIX members) the original author's pre-publication copy [L2 ].