Barrall, G. and Warwick, K. (1991) Towards a modular robotics standard for AGV design and programming. In: IEE Colloquium on Autonomous Guided Vehicles, 7 November 1991, Salford, UK, 5/1-5/4.

Guy, C. (1991) Codes and Coding for Digital Systems. In: Holdsworth, B. and Martin, G. R. (eds.) Digital Systems Reference Book. Butterworth Scientific Press, 1.12/1-1.12/16. ISBN 0-7506-1008-5

Guy, C. (1991) Errors, reliability and redundancy. In: Holdsworth, B. and Martin, G. R. (eds.) Digital Systems Reference Book. Butterworth Scientific Press, 1.16/1-1.16/14. ISBN 0-7506-1008-5

Kuan, K. K. and Warwick, K. (1991) Expert system aid for design of overload line distribution networks. International Journal of Electrical Power and Energy Systems, 13 (5). pp. 277-286. ISSN 0142-0615 doi: https://doi.org/10.1016/0142-0615(91)90051-V

Li, Y.F., Daniel, R.W. and Sharkey, P. (1991) Extended Kalman filtering for robotic proximity sensing. In: Proceedings of the 30th IEEE Conference on Decision and Control, 1991. IEEE, pp. 1041-1042. ISBN 0-7803-0450-0 doi: https://doi.org/10.1109/CDC.1991.261481

Warwick, K. (1991) Neural net system for adaptive robot control. In: Jordanides, T. and Torby, B. J. (eds.) Expert systems and robotics. Springer Verlag, pp. 601-608. ISBN 9783540537311

Warwick, K. and Minbashian, B. (1991) Intelligent parallel control. In: Warwick, K., Karny, M. and Halouskova, A. (eds.) Advanced methods in adaptive control for industrial applications. Lecture notes in control and information sciences (158). Springer Verlag, pp. 258-276. ISBN 9780387538358 doi: https://doi.org/10.1007/BFb0003825

Warwick, K. and Tham, M. T. (1991) Fail-safe control systems: applications and emergency management. Unicom applied information technology reports. Chapman and Hall. ISBN 9780412377402

Warwick, K., Kárny, M. and Halousková, A., eds. (1991) Advanced methods in adaptive control for industrial applications. Lecture Notes in Control and Information Sciences, 158. Springer Verlag, pp341. ISBN 9780387538358

Warwick, K., ed. (1991) Applied artificial intelligence. IEE Computing Series, 19. Peter Peregrinus on behalf of Institution of Electrical Engineers. ISBN 9780863412455

Warwick, K. (1991) Artificial intelligence in robotics. In: Warwick, K. (ed.) Applied artificial intelligence. Peter Peregrinus Ltd, Chapter 18. ISBN 9780863412455

Warwick, K. (1991) An introduction to AI. In: Warwick, K. (ed.) Applied artificial intelligence. Peter Peregrinus Ltd. ISBN 9780863412455

Wu, P. and Warwick, K. (1991) Neural networks with artificial intelligence. In: Graham, I. M. and Milne, R. W. (eds.) Research and development in expert systems VIII. Cambridge University Press, pp. 104-111. ISBN 9780521418386

Zheng, F.-C., McLaughlin, S. and Mulgrew, B. (1991) Blind equalisation of PAM series via higher-order cumulant fitting. In: ICC '91: IEEE International Conference on Communications, 1991, 23-26 June 1991, Denver, Colorado, 1991, pp. 1393-1397.

Zheng, F.-C., Mclaughlin, S. and Mulgrew, B. (1991) Blind deconvolution algorithms based on 3rd- and 4th-order cumulants. In: ICASSP-91: The 1991 International Conference on Acoustics, Speech and Signal Processing, 14-17 May 1991, Toronto, Ontario, Canada, pp. 1753-1756.

Zhu, Q. M. and Warwick, K. (1991) Deadbeat controller for a class of nonlinear systems. Control Theory and Advanced Technology, 7 (1). pp. 101-116. ISSN 0911-0704

Zhu, Q. M., Warwick, K. and Douce, J. L. (1991) Adaptive general predictive controller for nonlinear systems. IEE Proceedings D: Control Theory and Applications, 138 (1). pp. 33-40. ISSN 0143-7054