The DRAIR Advisor: A Knowledge-Based System for Materiel Deficiency Analysis. - Brian L. Robey; Pamela K. Fink; Sanjeev Venkatesan; Carol L. Redfield; Jerry W. Ferguson (IAAI, 1993)

DRAIR ADVISER: A Knowledge-Based System for Materiel-Deficiency Analysis. - Brian L. Robey; Pamela K. Fink; Sanjeev Venkatesan; Carol L. Redfield; Jerry W. Ferguson (AI Mag., 1994)

Methodologies for Tutoring in Procedural Domains. - Carol L. Redfield; Benjamin Bell; Patricia Y. Hsieh; Joseph Lamos; R. Bowen Loftin; David Palumbo (Intelligent Tutoring Systems, 1998)

Software Tutors Fulfilling Curriculum Topics. - Carol L. Redfield (WebNet, 2000)