000
00342nam a2200145Ia 4500
020
_a
9788174906786
082
_b
83
_a
000
100
_a
"NA"
245
4
_a
The ultimate book of knowledge science and technology
260
_b
Dhingra
_c
2009
300
_a
40
944
_c
BK
999
_c
525833
_d
525833