000
00288nam a2200121Ia 4500
003
LDD
040
_c
LDD
041
_a
en
245
0
_a
Journal of Chemical Education
260
_a
Directorate of Chemical Education
_b
Easton
_c
1 Oct-31 Dec,2002
362
_a
79-79
_b
10-Dec
942
_2
ddc
_c
J
999
_c
177129
_d
177129