
Presented Papers:
NPA Annual Conference, University of Connecticut, Storrs, Ct., May 2007
IEEE Aerospace Conference, Snowmass, Colorado, March 1999
Physical Interpretations of Relativity Theory, London, England, September 1998
Vth Itnternational Conference on Space, Time and Gravitation, St. Peterburg, Russia, June 1998
150th Annual Meeting of the American Association for the Advancement of Science (AAAS), Philadelphia, February 1998
Physics as a Science Workshop, Cologne, Germany, August 1997
107th Annual Meeting of the South Western and Rocky Mountain Division (SWARM) of the American Association for the Advancement of Science (AAAS) , June 1997
IVth International Conference on Space, Time and Gravitation, St. Petersburg, Russia, September 1996
crenshaw@teleinc.com 