Beynon, W. M. (1978) On the structure of free finite state machines. Coventry, UK: Department of Computer Science..

Munro, J. I. and Paterson, M. S. (1978) Selection and sorting with limited storage. Coventry, UK: Department of Computer Science..

Wadge, W. W. (1978) Away from the operations view of computer science. Coventry, UK: Department of Computer Science..

Wadge, W. W. (1978) Programming constructs for nonprocedural languages. Coventry, UK: Department of Computer Science..