Knowledge-based approach to requirements engineering using method and domain knowledge. - Pericles Loucopoulos; Ralph Champion (Knowl. Based Syst., 1988)

Knowledge-Based Support for Requirements Engineering. - Pericles Loucopoulos; R. E. M. Champion (CA(i)SE, 1989)

Concept acquisition and analysis for requirements specification. - Pericles Loucopoulos; R. E. M. Champion (Softw. Eng. J., 1990)

Modelling for requirements engineering using conceptual structures. - R. E. M. Champion (1991)

Assessing the Quality of Requirements Engineering Products. - R. E. M. Champion (Software Quality and Productivity, 1994)

Exploiting an enterprise model during systems' requirements capture and analysis. - R. E. M. Champion; Trevor T. Moores (ICRE, 1996)

A Methodology for Measuring the Risk Associated with A Software Requirements Specification. - Trevor T. Moores; Ralph Champion (Australas. J. Inf. Syst., 1996)