000 00324cam a22001217a 4500
008 180718b1963 xxu||||| |||| 00| 0 eng d
082 _aQ65 P386
100 _aPenrose, L.S.
245 _aBiology of mental defect
_cby L.S. Penrose
260 _aLondon
_bSidwick and Jackson
_c1963
300 _a374p.
650 _aMental defect
999 _c433474
_d433474