000 00608nam a2200229Ia 4500
003 OSt
005 20220928123131.0
006 a|||||r|||| 00| 0
007 ta
008 220927b |||||||| |||| 00| 0 eng d
024 _a42159
037 _cTextual
040 _aSDCL
_cSDCL
_beng
041 _2eng
_aeng
082 _aS62p1,N85, M6
100 _aBerg J M Ed.
_9460431
245 0 _cBerg J M Ed.
_aScience and service in mental retardation.
260 _aLondon
_bMethuen
_c1986
300 _axix,475p.
_ccm.
942 _hS62p1,N85, M6
_cTEXL
_2CC
999 _c773616
_d773616