000
00301nam a2200133Ia 4500
008
230118s9999||||xx |||||||||||||| ||und||
082
_a
540
082
_b
THO/M
100
_a
prof a.o
_b
thomas
245
0
_a
modern chemistry
260
_a
cannanore
260
_b
scientific book centre
260
_c
1993
999
_c
8463
_d
8463