An Intelligent Front End for Ecological Modelling. - Michael Uschold; Nigel Harding; Robert Muetzelfeldt; Alan Bundy (ECAI, 1984)

The ECO Program Construction System: Ways of Increasing its Representational Power and Their Effects on the User Interface. - David Stuart Robertson 001; Alan Bundy; Michael Uschold; Robert Muetzelfeldt (Int. J. Man Mach. Stud., 1989)

Eco-Logic - Logic-Based Approaches to Ecological Modeling. - David Robertson 001; Alan Bundy; Robert Muetzelfeldt; Mandy Haggith; Michael Uschold (MIT Press, 1991)