000
00287nam a2200133Ia 4500
003
IN-KoSCC
008
211107s9999 000 0 eng
082
_a
540.6-17
245
1
_a
Jnan o bijnan
260
_c
1954
500
_a
(in bengali) to date
653
_a
Chemistry
942
_c
BK
999
_c
37720
_d
37720