Geodesy Beyond 2000: The Challenges of the First Decade, IAG General Assembly Birmingham, July 19–30, 1999

Vistas for Geodesy in the New Millennium: IAG 2001 Scientific Assembly, Budapest, Hungary, September 2-7, 2001

Kinematic Systems in Geodesy, Surveying, and Remote Sensing: Symposium No. 107 Banff, Alberta, Canada, September 10–13, 1990