Towards a cognitive theory of information retrieval. - Alistair G. Sutcliffe; Mark Ennis (Interact. Comput., 1998)

Modelling the IR task: supporting the user. - Mark Ennis (1998)

Evaluating the effectiveness of visual user interfaces for information retrieval. - Alistair G. Sutcliffe; Mark Ennis; J. Hu (Int. J. Hum. Comput. Stud., 2000)

Empirical studies of end-user information searching. - Alistair G. Sutcliffe; Mark Ennis; S. J. Watkinson (J. Am. Soc. Inf. Sci., 2000)