000
00263nam a2200109Ia 4500
008
220201s2001 xx 000 0 eng d
100
_a
THAKUR, D.N.
245
0
_a
FUNDAMENTAL CONCEPT IN CHEMISTRY
260
_a
DELHI
_b
S.CHAND
_c
2001
300
_a
777
942
_2
ddc
999
_c
68113
_d
68113