Wupes series
6th workshop - Hejnice, 2003
Hejnice, September 24-27, 2003
5th workshop - Jindřichův Hradec, 2000
Jindřichův Hradec, June 20-24, 2000
4th workshop - Prague, 1997
Prague, January 22 - 25, 1997
3rd workshop - Třešť, 1994
Třešť, September 11-15, 1994
2nd workshop - Alšovice, 1991
Alšovice, September 9-12, 1991
1st workshop - Alšovice, 1988
Alšovice, June 20 - 23, 1988