[1] M. Pelikan and D. E. Goldberg, “Bayesian optimization algorithm: From single level to hierarchy,” PhD thesis, University of Illinois at Urbana-Champaign, Urbana, IL, 2002. Also IlliGAL Report, 2002.
[2] M. V. Butz and S. W. Wilson, “An Algorithmic Description of XCS,” in Advances in Learning Classifier Systems, 2000, pp. 253–272.
[3] R. Urbanowitz, eLCS: https://github.com/ryanurbs/eLCS.