References

1

D. Bohm. Wholeness and the implicate order. Routledge & Kegan Paul, London, 1980.

2

A. P. Dempster. Upper and lower probabilities induced by a multivalued mapping. Annals of Mathematical Statistics, 38:325--339, 1967.

3

R. Lohman. Structure evolution and incomplete induction. In R. Männer and B. Manderick, editors, Parallel Problem Solving from Nature, 2, pages 175--185, Amsterdam, 1992. Elsevier.

4

U-M O'Reilly and F. Oppacher. An experimental perspective on genetic programming. In R. Männer and B. Manderick, editors, Parallel Problem Solving from Nature, 2, pages 331--340, Amsterdam, 1992. Elsevier.

5

G. Shafer. A Mathematical Theory of Evidence. Princeton University Press, 1976.

6

P. Smets. Varieties of ignorance and the need for wellfounded theories. Information Sciences, 57--58:135--144, 1991.