000 00363nam a2200157Ia 4500
008 200202s9999 xx 000 0 und d
082 _a362.3 O'CO
100 _a"O'Connor, N."
245 0 _aSocial problem of mental deficiency
260 _aLondon
260 _bPergamon Press
260 _c1956
300 _a182p.
650 _aSocial problems
942 _cB
999 _c2367
_d2367