000 00380nam a2200157Ia 4500
008 180424s9999 xx 000 0 und d
084 _a362.7 W4
245 0 _aMentally Subnormal Child
250 _a\\195400ENGGPS000
260 _aWorld Health Organization
260 _b1954
260 _cGeneva
300 _a46p
500 _aincludes index and biblioraphy
942 _cBK
999 _c25587
_d25587