The MARBLE Project: A collaborative framework for educational courseware design. - Sarah Price; Patrick McAndrew; Roger Rist; J. Terry Mayes; Eric Bonharme; Ray Land; Mary Cuttle; Jeff Haywood; Hamish Macleod (WebNet, 1996)

User Cognitive Style and Interface Design for Personal, Adaptive Learning. What to Model? - Elizabeth Uruchrutu; Lachlan M. MacKinnon; Roger Rist (User Modeling, 2005)