000 00533cam a2200193 i 4500
020 _a0471427160
050 0 0 _aMED RC570
_b.I4
100 1 _aIngalls, Robert P.,
245 1 0 _aMental Retardation :
260 _aNew York :
_bWiley,
_cc1978.
300 _axiv, 491 p. :
_bill. ;
500 _aIncludes index.
650 0 _aMental retardation
650 0 _aPeople with mental disabilities
650 0 _aChildren with mental disabilities
650 2 _aMental retardation.
650 2 _aEducation of mentally retarded.
942 _cBK
999 _c9188
_d9188