000
00251nam a2200109Ia 4500
100
_a
Singh, P. P. & others
942
_c
BK
245
_a
Modern chemistry for std. XI
260
_a
Kitab Mahal, Allahabad
_c
1983
082
_a
540 Sin
300
_a
[v],270p
999
_c
11612
_d
11612