000 00440nam a2200181Ia 4500
008 180424s9999 xx 000 0 und d
020 _a30866693
084 _a370.15 K5
100 _a"Kolstoe, Oliver P"
245 0 _aMental Retardation
250 _a\\197200ENGGPSX
260 _aHolt Rinehart and Winston
260 _b1972
260 _cNew York
300 _avi+217p
500 _aincludes index and biblioraphy
942 _cBK
999 _c27498
_d27498