The application of systems of orthogonal signals to the solution of optimization problems. - H. A. Barker (1966)

Linear modelling of multivariable systems with pseudo-random binary input signals. - H. A. Barker; D. Raeside (Autom., 1968)

A Human-Computer Interface for Control System Design. - H. A. Barker; Peter Townsend; C. P. Jobling; Phil W. Grant; Min Chen 001; D. A. Simon; L. Harvey (BCS HCI, 1987)

A man-machine interface for computer-aided design and simulation of control systems. - H. A. Barker; Min Chen 001; Phil W. Grant; C. P. Jobling; Peter Townsend (Autom., 1989)

Object-oriented programming in control system design: a survey. - C. P. Jobling; Phil W. Grant; H. A. Barker; Peter Townsend (Autom., 1994)

A graphical simulator for programmable logic controllers based on Petri nets. - H. A. Barker; Phil W. Grant; J. Song (Microprocess. Microprogramming, 1996)