000 00595nam a2200217Ia 4500
008 180116s1970 xxu||||| |||| 00| 0 eng d
020 _a0345567890X
082 _aWM300
_bRIC
100 _a Richards B. W.
245 _aMental subnormality
_bmodern trends in research
250 _a
260 _aLondon
_bPitman Medical and Scientific Publishing
_c1970
300 _a260 p.
_b23 cm.
440 _a
_v
500 _a
520 _a Mental Retardation, Mental Disorders, Research
650 _aResearch
650 _aMental Disorders
650 _aMental Retardation
906 _a5003
_b
_c
999 _c18413
_d18413