E. Figure, 16: Champs d'erreur pour les fréquences du premier pic. (a) 25

E. Figure, 17: Champs d'erreur pour les fréquences dudeuxì eme pic. (a) 43, Hz (b) 45.9 Hz (c) 48.9 Hz

E. Figure, 18: Champs d'erreur pour les fréquences dutroisì eme pic

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