000 00444nam a2200169Ia 4500
008 180424s9999 xx 000 0 und d
084 _a157.8 K1
100 _a"Kiernan, C C"
245 0 _aBehaviour Modification With the Severely Retarded
250 _a\\197500ENGGPSX
260 _aAssociated Scientific Publishers
260 _b1975
260 _cNew York
300 _a332p
500 _aincludes index and biblioraphy
942 _cBK
999 _c35345
_d35345