Document Type

Article

Publication Date

1972

Publication Title

American Journal of Mental Deficiency

Volume

77

Comments

Author Posting © American Association on Intellectual and Developmental Disabilities, 1972. This article is posted here by permission of American Association on Intellectual and Developmental Disabilities for personal use, not for redistribution. The article was published in American Journal of Mental Deficiency (now known as American Journal on Intellectual and Developmental Disabilities), Volume 77, 1972.

Creative Commons License

Creative Commons License
This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 License.

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