Expert systems: frames, rules or logic for species identification?. - Marion Edwards; David R. Morse; Alan H. Fielding (Comput. Appl. Biosci., 1987)

Expertise in expert systems: knowledge acquisition for biological expert systems. - Marion Edwards; Roger E. Cooley (Comput. Appl. Biosci., 1993)

A semi-quantitative approach to representation and reasoning for expert systems. - Marion Edwards (1994)