Grace meets the "real world": tutoring COBOL as a second language. - Bob Radlinski; Jean McKendree (CHI, 1992)

The Grace Tutor: A Qualified Success. - Jean McKendree; Bob Radlinski; Michael E. Atwood (Intelligent Tutoring Systems, 1992)

DIME: distributed intelligent multimedia education. - Bob Radlinski; Michael E. Atwood; Michael Villano (CHI Conference Companion, 1994)