000
00259nam a2200109Ia 4500
008
230512s9999 xx 000 0 und d
100
_a
c.v.tulsi
245
0
_a
language of chemical reaction
260
_a
delhi
_b
s.chand and co
650
_a
text book
942
_c
BK
999
_c
776
_d
776