“On estimating similarity of artificial and real organisms”, Theory in Biosciences, vol. 120, pp. 271–286, 2001.
, Taxonomy in Alife. Measures of similarity for complex artificial organisms. Springer-Verlag, 2001, pp. 685–694.
, “Evolutionary optimization of fuzzy controllers for virtual robots”, Poznan University of Technology, Institute of Computing Science, RA-010/02, 2002.
,