Miikka Miettinen Jaakko Kurhila Petri Nokelainen Henry Tirri Supporting open-ended discourse with transparent groupware. 17-30 2006 2 IJWBC 1 http://dx.doi.org/10.1504/IJWBC.2006.008612 db/journals/ijwbc/ijwbc2.html#MiettinenKNT06