postings in can.schoolnet.physed
total = 29
1997 [total = 29]
04 [total = 5]
09 = 2
05 = 1
02 = 1
01 = 1
03 [total = 24]
31 = 1
30 = 4
29 = 1
27 = 1
25 = 3
24 = 3
21 = 4
16 = 1
14 = 1
10 = 4
07 = 1