000 00494nam a2200193Ia 4500
008 180116s1978 xxu||||| |||| 00| 0 eng d
020 _a0135765048
082 _aWM300
_bCLE
100 _a Cleland Charles Carr
245 _aMental retardation
_ba developmental approach
250 _a
260 _aEnglewood Cliffs
_bPrentice-Hall
_c1978
300 _a375 p.
_b24 cm.
440 _a
_v
500 _a
520 _a Mental Retardation
650 _aMental Retardation
906 _a420
_b
_c
999 _c18366
_d18366