1. Screening children for auditory function;Bess,1992
2. Carroll, J.B. (1960). Language development. Originally published in Chester Harris (Ed.), Encyclopedia of Educational Research (pp. 744–752). In A. Bar-Adon & W.F. Leopold (Eds.), (1971). Child language: A book of readings. Englewood Cliffs: Prentice-Hall.
3. Relations of motor and vocal milestones in typically developing infants and infants with Down syndrome;Cobo-Lewis;American Journal of Mental Retardation,1996
4. A phonetic study of babbling;Cruttenden;British Journal of Disorders of Communication,1970
5. Eilers, R.E., Neal, A.R., & Oller, D.K. (1996). Late onset babbling as an early marker of abnormal development (Poster presentation). Providence: International Conference on Infant Studies.