Bakeman, R. & Brown, J. W. (1980). Early interaction: consequences for social and mental development at three years. Child Development 51, 437–47.
Barnard, K. E. & Bee, H. L. (1982). Developmental changes in maternal interactions with term and pre-term infants. Paper presented at the International Conference of Infant Studies, Austin, TX.
Bleile, K. M., Stark, R. & McGowan, J. S. (1992). Evidence for the relationship between babbling and later speech development. Paper presented at International Clinical Phonetics and Language Association 2nd Symposium, London.
Bloom, K. (1977). Patterning of infant vocal behavior. Journal of Experimental Child Psychology 23, 367–77.
Carney, A. E. (1991) Vocal development in hearing-impaired infants. Paper presented at the annual meeting of the Acoustical Society of America, Houston, TX.
de Boysson-Bardies, B., Hallé, P., Sagart, L. & Durand, C. (1989). A cross-linguistic investigation of vowel formants in babbling. Journal of Child Language 16, 1–17.
DiPietro, J. A. & Allen, M. C. (1991). Estimation of gestational age: implications for developmental research. Child Development 62, 1184–99.
Eilers, R. E., Gavin, W. J. & Oller, D. K. (1982). Cross-linguistic perception in infancy: early effects of linguistic experience. Journal of Child Language 9, 289–302.
Eilers, R. E., Gavin, W. J. & Wilson, W. R. (1979). Linguistic experience and phonemic perception in infancy: a cross-linguistic study. Child Development 50, 14–18.
Eilers, R. E., Oller, D. K., Levine, S., Basinger, D., Lynch, M. P. & Urbano, R. (1993). The role of prematurity and socioeconomic status in the onset of canonical babbling in infants. Infant Behavior and Development 16, 297–315.
Foreman, N. & Altaha, M. (1991). The development of exploration and spontaneous alternation in hooded rat pups: effects of unusually early eyelid opening. Developmental Psychobiology 24, 521–37.
Friedman, S., Jacobs, B. & Werthman, M. (1982). Preterms of low medical risk: spontaneous behaviors and soothability at expected date of birth. Infant Behavior and Development 5, 3–10.
Goldberg, S. (1978). Prematurity: effects on parent-infant interaction. Journal of Pediatric Psychology 3, 137–44.
Greenberg, M. T. & Crnic, K. S. (1988). Longitudinal predictors of development status and social interaction in premature and full-term infants at age two. Child Development 59, 554–70.
Hart, B. & Risley, T. R. (1981). Grammatical and conceptual growth in the language of psychosocially disadvantaged children. In Begab, M. J., Garber, H. & Haywood, H. C. (eds), Prevention of retarded development in psychosocially disadvantaged children. Baltimore: University Park Press.
Hart, B. & Risley, T. R. (1989). The longitudinal study of interactive systems. Education and Treatment of Children 12, 347–58.
Hollingshead, A. B. (1978). Two factor index of social status. New Haven, CT: Yale University Press.
Kent, R. D., Osberger, M. J., Netsell, R. & Hustedde, C. G. (1987). Phonetic development in identical twins who differ in auditory function. Journal of Speech and Hearing Disorders 52, 64–75.
Klatt, D. H. (1980). Software for a cascade/parallel formant synthesizer. Journal of the Acoustical Society of America 67, 971–95.
Koopmans-van Beinum, F. J. & van der Stelt, J. M. (1986). Early stages in the development of speech movements. In Lindblom, B. & Zetterstrom, R. (eds), Precursors of early speech. New York: Stockton Press.
Lenneberg, E. (1967). Biological foundations of language. New York: Wiley.
Lenneberg, E. H., Rebelsky, G. F. & Nichols, I. A. (1965). The vocalizations of infants born to deaf and hearing parents. Human Development 8, 23–37.
Lickliter, R. (1990). Premature visual stimulation accelerates intersensory functioning in bobwhite quail neonates. Infant Behavior and Development 13, 487–96.
Locke, J. & Pearson, D. (1990). Linguistic significance of babbling: evidence from a tracheostomized infant. Journal of Child Language 17, 1–16.
Lynch, M. P., Oller, D. K., Eilers, R. E. & Basinger, D. (1990). Vocal development of infants with Down Syndrome. Paper presented at the University of Wisconsin 11th Annual Symposium for Research on Child Language Disorders, Madison, WI.
Lynch, M. P., Oller, D. K. & Steffens, M. (1989). Development of speech-like vocalizations in a child with congenital absence of cochleas: the case of total deafness. Applied Psycholinguistics 10, 315–33.
Nam, C. V. & Powers, N. G. (1983). Socioeconomic approach to status measurement. Houston: Cap & Gown Press.
Oller, D. K. (1986). Metaphonology and infant vocalizations. In Lindblom, B. & Zetterstrom, R. (eds), Precursors of early speech. New York: Stockton Press.
Oller, D. K. (in press). Development of vocalizations in infancy. In H. Winitz (ed.), Human communication and its disorders.
Oller, D. K. & Eilers, R. E. (1982). Similarities of babbling of Spanish and English learning babies. Journal of Child Language 9, 565–78.
Oller, D. K. & Eilers, R. E. (1988). The role of audition in infant babbling. Child Development 59, 441–9.
Oller, D. K., Eilers, R. E., Bull, D. H. & Carney, A. E. (1985). Prespeech vocalizations of a deaf infant: a comparison with normal metaphonological development. Journal of Speech and Hearing Research 28, 47–63.
Oller, D. K., Lewedag, V., Umbel, V. & Basinger, D. L. (1992). The onset of rhythmic babbling in infants exposed to bilingual and monolingual environments. Paper presented at Symposium on rhythmic vocal development at the International Conference on Infant Studies, Miami Beach, FL.
Oller, D. K. & Lynch, M. P. (1992). Infant vocalizations and innovations in infraphonology: toward a broader theory of development and disorders. In Ferguson, C., Menn, L. & Stoel-Gammon, C. (eds), Phonological development. Parkton, MD: York Press.
Papoušek, H. & Papoušek, M. (1982). Vocal imitations in mother-infant dialogues. Infant Behavior and Development 5, 176.
Papoušek, M., Papoušek, H. & Bornstein, M. H. (1984). The naturalistic vocal environment of young infants: on the significance of homogeneity and variability in parental speech. In Field, T. M. & Fox, N. (eds), Social perception in infants. Norwood, NJ: Ablex.
Poulson, C. L. (1983). Differential reinforcement of other-than-vocalization as a control procedure in the conditioning of infant vocalization rate. Journal of Experimental Child Psychology 36, 471–89.
Roug, L., Landberg, I. & Lundberg, L. J. (1989). Phonetic development in early infancy: a study of four Swedish children during the first 18 months of life. Journal of Child Language 16, 19–40.
Smith, B. L. & Oller, D. K. (1981). A comparative study of pre-meaningful vocalizations produced by normally developing and Down's syndrome infants. Journal of Speech and Hearing Disorders 46, 46–51.
Steffens, M. L., Oller, D. K., Lynch, M. P. & Urbano, R. C. (1992). Vocal development in infants with Down syndrome and infants who are developing normally. American Journal of Mental Retardation 97, 235–46.
Stern, M. & Hildebrandt, K. A. (1986). Prematurity stereotyping: effects on mother-infant interaction. Child Development 57, 308–15.
Stoel-Gammon, C. & Otomo, K. (1986). Babbling development of hearing-impaired and normally hearing subjects. Journal of Speech and Hearing Disorders 51, 33–41.
Werker, J. F., Gilbert, J. H. V., Humphrey, K. & Tees, R. C. (1981). Developmental aspects of cross-language speech perception. Child Development 52, 340–55.
Werker, J. F. & Tees, R. C. (1983). Developmental changes across childhood in the perception of non-native speech sounds. Canadian Journal of Psychology 37, 278–86.
Zlatin, M. (1975). Explorative mapping of the vocal tract and primitive syllabification in infancy: the first six months. Paper presented at the American Speech and Hearing Association Convention, Washington, DC.