NSEDIT: A Syntax-directed Editor and Testing Tool Based on Nassi-Shneiderman Charts. - Keith Halewood; Martin R. Woodward (Softw. Pract. Exp., 1988)

Towards a uniform graphical representation of program construction, debugging and testing process. - Keith Halewood (1991)

An Algorithm to Generate Random Large Combinational Circuits. - Colin C. Charlton; Paul E. Dunne; Keith Halewood; Paul H. Leng (Comput. J., 1993)

A Uniform Graphical View of the Program Construction Process: GRIPSE. - Keith Halewood; Martin R. Woodward (Int. J. Man Mach. Stud., 1993)