[1] B. Bartók: Slowakische Volkslieder. Band 1. Academia scientiarum slovaca. Bratislava MCMLIX.

[2] J. Cohen: Information and music. Behavioral science 7 (1962), 137. MR 0140377

[3] H. Fack: Informationstheoretische Behandlung des Gehörs. Impulstechnik (F. Winckel Editor). Springer-Verlag, B.-G.-H. 1956.

[4] V. Majerník: Some Information-Theoretical Characteristics of the Human Ear for Non-Stationary Acoustical Stimuli. Proc. of 4th Int. Congress on Cybernetics. Namur (1967), 556.