Operating systems theory and practice. - Paul Massie (Macmillan, 1986)

Computers as Cognitive Assistants for Elderly People. - Norman Alm; Lynda Dobinson; Paul Massie; Ian Hewines (INTERACT, 2001)

Cognitive prostheses for elderly people. - Norman Alm; John L. Arnott; Lynda Dobinson; Paul Massie; Ian Hewines (SMC, 2001)