000
00268nam a2200121Ia 4500
100
_a
Indian Standard
942
_c
BK
654
_a
245
_a
Atmospheric conditions for
260
_a
New Delhi
_b
Indian Standard Institution
082
_a
620.11
300
_b
Pb
_a
8
999
_c
399347
_d
399347
041
_a
eng