1. Baldwin, J.F. (1987). “Evidential Support Logic Programming” Fuzzy Sets & System. (24), pp 1–26. North-Holland.
2. Baldwin, J.F. (1991a). “Combining Evidences for Evidential Reasoning.” Int J Intelligent Systems. (6) pp 569–616.
3. Baldwin, J.F. (1991b) “A Calculus for Mass Assignments in Evidential Reasoning” in Advances in the Dempster-Shafer Theory of Evidence. Eds Fedrizzi, M, Kacprzyk, J. & Yager, R.R.
4. Baldwin, J.F. (1991c). “Algebra of Mass Assignments” Sent to Jour. of Approx. Reasoning. Available as ITRC Report 164, University of Bristol.
5. Baldwin, J.F. (1991d). “Mass Assignments and Fuzzy Sets for Fuzzy Databases”, in Advances in the Dempster-Shafer Theory of Evidence. Eds Fedrizzi, M, Kacprzyk, J. & Yager, R.R.