Daniels, P.J., Brooks, H.M. & Belkin, N.J. (1985) Using problem structures for driving human computer dialogues. In: RIAO '85, Actes of the Conference: Recherche d'Informations Assisteepar Ordinateur, Grenoble, 1985. Grenoble, I.M.A.G.: 645-660 (refereed conference proceeding). Reprinted in: Readings in Information Retrieval, edited by K. Sparck Jones and P. Willett. San Francisco, Morgan Kaufmann, 1997: 135-142.

RIAO '85, Actes of the Conference: Recherche d'Informations Assisteepar Ordinateur