000 00535nam a2200181Ia 4500
999 _c26991
_d26991
005 20220314132542.0
008 180712s9999 xx 000 0 und d
020 _a205059899
082 _a616.89
_bSEL
_223
100 _aSELLIN, Donald F.
245 _aMental Retardation nature, needs, and advocacy
_c/[by] Donald F.Sellin
260 _aBoston
_bAllyn and bacon inc
_c1979
300 _axi, 479 p.
500 _aIncludes references & index.
650 _aMental retardation
650 0 _aMentally handicapped
_9130653
942 _cS