Holland's schema theorem disproved?

James R. Levenick. Holland's schema theorem disproved?. J. Exp. Theor. Artif. Intell., 2(2):179-183, 1990. [doi]

@article{Levenick90,
  title = {Holland's schema theorem disproved?},
  author = {James R. Levenick},
  year = {1990},
  doi = {10.1080/09528139008953721},
  url = {http://dx.doi.org/10.1080/09528139008953721},
  researchr = {https://researchr.org/publication/Levenick90},
  cites = {0},
  citedby = {0},
  journal = {J. Exp. Theor. Artif. Intell.},
  volume = {2},
  number = {2},
  pages = {179-183},
}