1. Barnum, T. B., and Elrod, H. G., Jr. (1971) ‘A theoretical study of the dynamic behavior of foil bearings’, Trans. ASME J. Lubrication Technology, January, 133–142.
2. Barlow, E. J. (1968) ‘Derivation of governing equations for self-acting foil bearings’, Trans. ASME J. Lubrication Technology, January, 334–340.
3. Block, H., and van Rossum, J. J. (1953) ‘The foil bearing—A new departure in hydro-dynamic lubrication’, Lubrication Engineering, December, 316–320.
4. Cole, J. D. (1968) Perturbation Methods in Applied Mathematics, Blaisdell Publishing Company, New York.
5. Cole, J. D., and Cook, L. P. (1988) ‘Some asymptotic problems of transonic flow theory’, presented at the Symposium Transsonicum III, Göttingen, West Germany, May.