Source Information

Stumpf, Carl, Die Sprachlaute: experimentell-phonetische Untersuchungen nebst einem Anhang ├╝ber Instrumentalklänge, 1926

Digitized copy: Max Planck Institute for the History of Science
Digitized by: Max Planck Institute for the History of Science
Copyright: (images) Max Planck Institute for the History of Science
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