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50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

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Ingram, David – Journal of Child Language, 1971
This study begins with a discussion of what a phonological rule is, and how the term has been used in previous investigations. The relation between the child's phonological system and the adult's system, the relationship between discrimination and production, and the viability of positing underlying forms for children's words are also discussed.…
Descriptors: Child Language, Czech, Deep Structure, Descriptive Linguistics