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- [25] Fundamental frequency influences vowel discrimination in 6-month-old infants Canadian Acoustics - Acoustique Canadienne, 1998, 26 (03): : 96 - 97
- [29] SOCIAL-REINFORCEMENT OF A MANIPULATIVE RESPONSE IN 6-MONTH-OLD AND 9-MONTH-OLD INFANTS JOURNAL OF CHILD PSYCHOLOGY AND PSYCHIATRY AND ALLIED DISCIPLINES, 1976, 17 (03): : 205 - 212