A key for freshwater invertebrates using fuzzy logic. - Linton Winder; Martin Lefley; Barbara Smith (Comput. Appl. Biosci., 1997)

An investigation of machine learning based prediction systems. - Carolyn Mair; Gada F. Kadoda; Martin Lefley; Keith Phalp; Chris Schofield; Martin J. Shepperd; Steve Webster (J. Syst. Softw., 2000)

Can genetic programming improve software effort estimation? A comparative evaluation. - Colin J. Burgess; Martin Lefley (Inf. Softw. Technol., 2001)

Investigating Neural Network Efficiency and Structure by Weight Investigation. - Martin Lefley; Tom Kinsella (Advances in Computational Intelligence and Learning, 2002)

Using Genetic Programming to Improve Software Effort Estimation Based on General Data Sets. - Martin Lefley; Martin J. Shepperd (GECCO, 2003)