"Spectrogrammen (fonetiek)" . . "Phonétique acoustique." . . "Spectrograph." . . "Parole." . . "Voix." . . "Spectrographes." . . . . "Fonética." . . "Akustische Phonetik." . . "Phonétique." . . "Akustische Phonetik Akustische Spektrographie." . . "Son Mesure." . . "Son - Mesure." . "Fonologie." . . "Lingüística." . . . "Introduction to the spectrography of speech"@en . "Introduction to the spectrography of speech" . . . . . . . . . . . . . "Introduction of the spectrography of speech" . . . . . . . . . . . . . . . . . "Spectrography of speech" . "Spectrography of speech"@en . . . . . . . . . . . . "Introduction to the Spectrography of Speech. [With illustrations.]" . "Introduction to the Spectrography of Speech. [With illustrations.]"@en . . . . . . . . . . "Phonétique expérimentale." . . "Phonetics." . . "Akustische Spektrographie." . .