Gelmgolts German Lyudvig Ferdinand. Uchenie o slukhovykh oshchushcheniyakh kak fiziologicheskaya osnova dlya teorii muzyki: (S politipazhami v tekste) —Spb g.-XVI, 594, 1 s./Helmholtz Hermann Ludwig Ferdinand. The Teaching of Auditory Senses as a Physiological Basis for Music Theory: (With Politipations in the Text) St. Petersburg-XVI, 594, 1 p. - landofmagazines.com

TransliterationGelmgolts German Lyudvig Ferdinand. Uchenie o slukhovykh oshchushcheniyakh kak fiziologicheskaya osnova dlya teorii muzyki: (S politipazhami v tekste) —Spb g.-XVI, 594, 1 s.

In EnglishHelmholtz Hermann Ludwig Ferdinand. The Teaching of Auditory Senses as a Physiological Basis for Music Theory: (With Politipations in the Text) St. Petersburg-XVI, 594, 1 p.

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