1. Interaction Ritual—Essays on Face-to-Face Behaviour;Goffman,1967
2. Author languages for computer-based learning;Barker;Br. J. educ. Technol.,1982
3. Programming a video disc;Barker,1983
4. Barker P.G. and Yeates H., Using computers for education and training. In Introducing Computer Assisted Learning, Chap. 1. Prentice-Hall, Englewood Cliffs, NJ. In press.
5. Data base interaction using a hand print terminal;Barker;Int. J. Man-Much. Stud.,1982