Correcting and Extending Domain Knowledge using Outside Guidance. - John E. Laird; Michael Hucka; Eric S. Yager; Christopher M. Tuck (ML, 1990)

Robo-Soar: An integration of external interaction, planning, and learning using Soar. - John E. Laird; Eric S. Yager; Michael Hucka; Christopher M. Tuck (Robotics Auton. Syst., 1991)