postings in can.schoolnet.chem.sr
total = 22
1997 [total = 22]
04 [total = 3]
09 = 1
02 = 2
03 [total = 19]
30 = 3
29 = 1
27 = 4
24 = 1
21 = 1
16 = 2
14 = 2
10 = 4
07 = 1