1. BAER, D. (1970). An age-irrelevant concept of development. Merrill-Palmer Quarterly of Behavior Development, 16, 238–245.
2. ESPER, E. (1925). A technique for the experimental investigation of associative interference in artificial linguistic material. Language Monograph, 1.
3. FOSS, D. (1968a). An analysis of learning in a miniature linguistic system. Journal of Experimental Psychology, 76, 450–459.
4. FOSS, D. (1968b). Learning and discovery in the acquisition of structured material. Effects of number of items and their sequence. Journal of Experimental Psychology, 77, 341–344.
5. GOLDSTEIN, H. (1983). Recombinative generalization: Relationships between environmental conditions and the linguistic repertoires of language learners. Analysis and Intervention in Developmental Disabilities, 3, 279–293.