000
00255nam a22001217a 4500
003
SGT
082
_a
370
_b
SIN
100
_a
SINGH, DR. J.P.
245
_a
TECHNOLOGY FOR THE BLIND
260
_a
DELHI
_b
KANISHKA
_c
2015
300
_a
271
942
_2
ddc
_c
BK
999
_c
17770
_d
17770