Institution of Mechanical Engineers (Great Britain). (1991). Proceedings of the Institution of Mechanical Engineers Part I: : Journal of Systems and Control Engineering. Professional Engineering Publishing Limited.

Institution of Mechanical Engineers (Great Britain). Proceedings of the Institution of Mechanical Engineers Part I: : Journal of Systems and Control Engineering. London: Professional Engineering Publishing Limited, 1991.

Institution of Mechanical Engineers (Great Britain). Proceedings of the Institution of Mechanical Engineers Part I: : Journal of Systems and Control Engineering. Professional Engineering Publishing Limited, 1991.