1. Cognitive processes and perceived language performance of retarded persons;Ashman;Journal of Mental Deficiency Research,1982a
2. Coding, strategic behavior, and language performance of institutionalized mentally retarded young adults;Ashman;American Journal of Mental Deficiency,1982b
3. Medical-Behavioral Research in Retardation
4. The ITPA and Down's syndrome: an exploratory study;Bilovsky;American Journal of Mental Deficiency,1965
5. Patterns of psycholinguistic development in the severely mentally retarded: a hypothesis;Burr;Social Biology,1978