H. Heyer,Probability measures on groups, IX.Probability maesures on groups, IX(1988 : Oberwolfach)：proceedings of a conference held in Oberwolfach, 1988.Springer-Verlag,1989.
Bohme, Thomas,,Heyer, Gerhard,,Unger, Herwig,.Innovative Internet community systems : third international workshop, IICS 2003, Leipzig, Germany, June 19-21, 2003 : revised papers /.Springer-Verlag,,2003..
