000 00288nam a22001337a 4500
003 SGT
020 _a81-7391-576-8
082 _a371.911
_bSIN
100 _aSINGH, DR. J.P.
245 _aTECHNOLOGY FOR THE BLIND
260 _aDELHI
_bKANISHKA
_c2020
300 _a271
942 _2ddc
_cBK
999 _c23207
_d23207