SWITZERLAND
Willi Geller
Symposium Lecture, Hands-on Courses History
Lecture
New York, USA
April, 4-6, 2008
Lecture
Minneapolis, USA
September, 17- 19, 2004
September, 17, 2004
Hands-on Courses
Minneapolis, USA
September, 17- 19, 2004
September, 18-19, 2004
Lecture
New York, USA
October 20-22, 2000
October 20, 2000
Hands-on Courses
New York, USA
October 20-22, 2000
October 21-22, 2000