Halverson, Mark, Bill Chvala, and Shawn Monique Herrera. “Fuel Cell Demonstration at the U.S. Coast Guard Air Station Cape Cod”. Distributed Generation & Alternative Energy Journal 20, no. 3 (August 14, 2005): 43–50. Accessed June 3, 2026. https://journals.riverpublishers.com/index.php/DGAEJ/article/view/14359.