000 00280nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aSingh, J.P.
245 0 _aTechnology For The Blind Concept And Context
260 _aNew Delhi
_bKanishka
_c2007
300 _a271p.
942 _cBK
999 _c14457
_d14457