Helmholtz, H. L. (1954). On the sensations of tone: As a philosiogical basis for the theory of music. Dover.

Helmholtz, Hermann L. On the Sensations of Tone: As a Philosiogical Basis for the Theory of Music. New York: Dover, 1954.

Helmholtz, Hermann L. On the Sensations of Tone: As a Philosiogical Basis for the Theory of Music. Dover, 1954.