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| Utgitt
| Washington, D.C. : American Association on Mental Retardation , c1987
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| Omfang
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| Opplysninger
| Proceedings of a conference held in 1982 at Lake Wilderness, Wash., sponsored by the National Institute of Child Health and Human Development and the Child Development and Mental Retardation Center at the University of Washington.
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| Emner
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| ISBN
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