- Charles Chiang, et al.,
"Systems Integration of a Hybrid PEM Fuel Cell/Battery Powered Endurance UAV,"
46th AIAA Aerospace Sciences Meeting and Exhibit,
Reno, Nevada, January 2008
- Christopher Herwerth, et al.,
"Development of a Small Long Endurance Hybrid PEM Fuel Cell Powered UAV,"
Society of Automotive Engineers (SAE), SAE 2007 AeroTech Congress & Exhibition,
Los Angeles, California, September 2007
- Christopher Herwerth, Alan Ko, and Maj Mirmirani,
"Integration of a PEM Fuel Cell into a Slow Speed UAV,"
Association for Unmanned Vehicle Systems International (AUVSI),
Orlando, Florida, August 2006
- Christopher Herwerth, Uche Ofoma, and Chivey Wu,
"Development of a Fuel Cell Powered UAV for Environmental Research,"
44th AIAA Aerospace Sciences Meeting and Exhibit,
Reno, Nevada, January 2006