000			00322nam a2200133 4500
082			_a150 _bIST.M
084			_2Colon Classification
100			_aIstiay
245			_aMentally retarded children / _cIstiay
260			_aNew Delhi : _bChand and Company, _c1977.
300			_a236p. :
650			_aPsychology
942			_cBK
999			_c685293 _d685293