Tasks-in-Interaction: Paper and Screen Based Documentation in Collaborative Activity. - Paul Luff; Christian Heath; David Greatbatch (CSCW, 1992)

Tasks and social interaction: the relevance of naturalistic analyses of conduct for requirements engineering. - Paul Luff; Marina Jirotka; Christian Heath; David Greatbatch (RE, 1993)

Interpersonal Communication and Human-Computer Interaction: An Examination of the Use of Computers in Medical Consultations. - David Greatbatch; Paul Luff; Christian Heath; Peter Campion (Interact. Comput., 1993)