LEADER 00000nam 2200205 a 4500
001 0940898306
007 t
008 990610s1992 xxu rb 001 eng
020 0940898306
040 CURLLC
050 4 RC 570 A5
110 2 American Association on Mental Retardation.
245 10 Mental retardation :|bdefinition, classification, and
systems of supports.
250 9th ed.
260 Washington, D.C. :|bAmerican Association on Mental
Retardation,|c1992.
300 180p.
650 0 Mental retardation.
|