References
- Bliss L. The development of modals. The Journal of Applied Developmental Psychology 1988; 9: 253–261
- Conti-Ramsden G., Dykins J. Mother-child interactions with language-impaired children and their siblings. British Journal of Disorders of Communication 1991; 26: 337–354
- Conti-Ramsden G., Hutcheson G. D., Grove J. Contingency and breakdown: Specific Language Impaired children's conversations with their mothers and fathers. Journal of Speech and Hearing Research 1995; 38: 1290–1302
- Conti-Ramsden G., Jones M. Verb use in specific language impairment. Journal of Speech and Hearing Research 1997; 40: 1298–1313
- Gopnik M., Crago M. Familial aggregation of a developmental language disorder. Cognition 1991; 39: 1–50
- Hargrove P. M., Holmberg C., Zeigler M. Changes in spontaneous speech associated with therapy hiatus: A retrospective study. Children Language Teaching and Therapy 1986; 2: 266–280
- Leonard L. Language learnability and specific language impairment in children. Applied Psycholinguistics 1989; 10: 179–202
- MacWhinney B., Snow C. The child language data exchange system: an update. Journal of Child Language 1990; 17: 457–472
- Rice M. L., Wexler K. Toward tense as a clinical marker of specific language impairment in English-speaking children. Journal of Speech and Hearing Research 1996; 39: 1239–1257
- Rice M. L., Wexler K., Cleave P. L. Specific language impairment as a period of extended optional infinitive. Journal of Speech and Hearing Research 1995; 38: 850–863
- Wexler K. Optional Infinitives. Verb Movement, D. Lightfoot, N. Hornstein. Cambridge University Press, New York 1994