Subalgebras of Incidence Algebras Determined by Equivalence Relations. - K. J. Harrison; W. E. Longstaff (J. Comb. Theory A, 1981)

Complexity of identification of linear systems with rational transfer functions. - K. J. Harrison; Jonathan R. Partington; Jo A. Ward (Math. Control. Signals Syst., 1998)

A Multiobjective Optimal Path Algorithm. - Christina Hallam; K. J. Harrison; Jo A. Ward (Digit. Signal Process., 2001)

Input-Output Identifiability of Continuous-Time Linear Systems. - K. J. Harrison; Jonathan R. Partington; Jo A. Ward (J. Complex., 2002)