000 00424nam a2200133Ia 4500
001 81979
008 170722s9999 xx 000 0 und d
100 _aWall, Wd
245 _aConstructive education for special gropus :
_b handicapped and deviant children /
260 _aLondon :
_bUNNESCO,Harrap ,
_c1979.
300 _aPPix+144
_c23.5cms
490 _aIBE series studies and surveys in comparative education
942 _cGEN
999 _c98095
_d98095