Computer aided feature selection for enhanced analogue system fault location. - K. C. Varghese; J. Hywel Williams; Denis R. Towill (Pattern Recognit., 1978)

Test feature selection for a complex electro-hydraulic servo system using frequency response measurements. - K. C. Varghese; C. Cresswell; Denis R. Towill; J. Hywel Williams (Pattern Recognit., 1981)