Software metrics: A rigorous approach, Norman E. Fenton. Chapman & Hall (London) 1991. ISBN 0 412 48440 0. Price £19.95 (paperback). - Pat Dugard (J. Softw. Maintenance Res. Pract., 1993)

Software cost estimation using an Albus perceptron (CMAC). - Bill Samson; David Ellison; Pat Dugard (Inf. Softw. Technol., 1997)