000
00251nam a22001097a 4500
003
OSt
008
180502b xxu||||| |||| 00| 0 eng d
100
_a
gupta,renu
245
_a
practical physical chemiastry
260
_b
new age
_c
2018
942
_c
BK
_0
4
999
_c
502032
_d
502032