"Noise cancellation studies using a least-squares lattice filter". - T. Gardiner; John G. McWhirter; T. J. Shepherd (ICASSP, 1985)

The application of linear constraints to an adaptive beamformer. - John G. McWhirter; T. J. Shepherd; C. R. Ward; R. A. Jones; P. J. Hargrave (ICASSP, 1986)

A systolic array for nonlinear adaptive filtering and pattern recognition. - John G. McWhirter; David S. Broomhead; T. J. Shepherd (ASAP, 1990)

Computationally efficient QRD-based wide-band beamforming. - Ian K. Proudler; T. J. Shepherd; John G. McWhirter (ICASSP, 1990)

A systolic array for nonlinear adaptive filtering and pattern recognition. - J. G. M. C. Whirter; David S. Broomhead; T. J. Shepherd (J. VLSI Signal Process., 1991)