Thomas, René (1999). "Deterministic chaos seen in terms of feedback circuits: Analysis, synthesis, 'labyrinth chaos'". Int. J. Bifurc. Chaos. 9 (10): 1889–1905. Bibcode:1999IJBC....9.1889T. doi:10.1142/S0218127499001383.
Thomas, René (1999). "Deterministic chaos seen in terms of feedback circuits: Analysis, synthesis, 'labyrinth chaos'". Int. J. Bifurc. Chaos. 9 (10): 1889–1905. Bibcode:1999IJBC....9.1889T. doi:10.1142/S0218127499001383.