Interacting with an intelligent planning system using English sentences. - B. Crabtree; N. Pirie; Richard S. Crouch; Stephen G. Pulman; D. C. Moffat; Graeme D. Ritchie; Austin Tate (Expert Planning Systems, 1990)

Wearable Location Mediated Telecommunications: A First Step Towards Contextual Communication. - Jerry Bowskill; Mark Billinghurst; B. Crabtree; Nick Dyer; A. Loffler (ISWC, 1999)