000			00472nam a22001697a 4500
005			20210803161947.0
008			210803b xxu||||| |||| 00| 0 eng d
020			_a9788173915765
041			_aeng
082			_a371.911 _bSIN
100			_aSingh,J.P _924811
245			_aTechnology for the blind : _bconcept and context / _cJ.P.Singh.
250			_a1st ed.
260			_aNew Delhi ; _bKanishka publisher distributors, _cc2003.
300			_a271 p ; . _ehbk.
942			_cBK
999			_c38188 _d38188