000 00491nam a2200205Ia 4500
008 230524s9999 xx 000 0 und d
040 _cUDSM
050 _aHV901.G7O3
100 _aO'Connor, Neil
245 4 _aThe social problem of mental deficiency
260 _aNow York
260 _bPergamon Press
260 _c1956
300 _a182p.
300 _c23cm.
650 _aMental deficiency
700 _aill.
942 _2Library of Congress Classification
942 _cBook
999 _c93957
_d93957