1. Towill, D.R., and Lamb, J.D.: First Probabilistic Model Describing Performance of In Service Instrument Servomechanisms, (University of Wales Institute of Science and Technology 1968 January),DAG TN 12
2. Marshall, J.J.: Estimation of Parameters of a Type (I, 2) System Satisfying a Toleranced Deterministic Specification, (University of Wales Institute of Science and Technology 1967 August),DAG TN 8
3. Lamb, J.D: ‘The Use of Pseudo-Random Binary Signals for the Production Testing of Dynamic Systems’, 1970, Ph.D. Thesis, University of Wales Institute of Science and Technology