Walton, J.F, Tomaszewski, M.J., Heshmat, H., “The Role of High Performance Foil Bearings in Advanced, Oil-free, High-speed Motor Driven Compressors”, Fuel Cell Science, Engineering and Technology, ASME 2003, pp 411-418, FuelCell2003-1747, presented at 1st International Conference Fuel Cell Science, Engineering and Technology, April 21-23, 2003, Rochester, NY,