1. Ames, L. B. (1946). The development of the sense of time in the young child.J. Genet. Psychol. 68: 97?125.
2. Barrie, S. C. (1971a). Children's understanding of sentences adjoined with temporal links: when, while, after, and until. Unpublished manuscript, University of North Carolina.
3. Barrie, S. C. (1971b). Investigation of two processes in language development through a test of auditory-syntactical-sequential memory. Paper presented at the conference of the Association for Children with Learning Disabilities, Chicago, March, 1971.
4. Clark, E. (1971). On the acquisition of the meaning of before and after.J. Verb. Learn. Verb. Behav. 10: 266?275.
5. Fraser, C. V., Bellugi, U., and Brown, R. (1963). Control of grammar in imitation, comprehension and production.J. Verb. Learn. Verb. Behav. 2:121?135.