000
00251nam a2200109Ia 4500
008
230512s9999 xx 000 0 und d
100
_a
gupta,r.k
245
0
_a
AtB of physical chemistry
260
_a
meerut
_b
arihant
650
_a
chemistry
942
_c
BK
999
_c
6838
_d
6838