postings in can.schoolnet.chem.jr
total = 20
1997 [total = 20]
04 [total = 4]
09 = 1
04 = 1
02 = 2
03 [total = 16]
30 = 3
29 = 1
27 = 2
24 = 1
21 = 1
18 = 1
17 = 1
16 = 1
14 = 1
10 = 3
07 = 1