1. Cooke, M.L., 1991. Saturn's rings: Photometric studies of the C ring and radial variation in the Keeler Gap. Ph.D. thesis, Cornell University, Ithaca, NY
2. Cooke, M.L., Nicholson, P.D., Showalter, M.R., 1991. Photometric studies of Saturn's C-ring. Bull. Am. Astron. Soc., 23, 1180
3. Cuzzi, J.N., Lissauer, J.J., Esposito, L.W., Holberg, J.B., Marouf, E.A., Tyler, G.L., Boishchot, A., 1984. Saturn's rings—Properties and processes. In: Greenberg, R., Brahic, A. (Eds.), Planetary Rings, IAU Colloq., vol. 75, University of Arizona Press, Tucson, AZ, pp. 73–199
4. Voyager photopolarimeter stellar occultation of Saturn's rings;Esposito;J. Geophys. Res.,1983
5. Esposito, L.W., Cuzzi, J.N., Holberg, J.B., Marouf, E.A., Tyler, G.L., Porco, C.C., 1984. Saturn's rings—Structure, dynamics, and particle properties. Saturn, pp. 463–545