1. Brouwer, D. and Clemence, G.M. Methods of Celestial Mechanics ( Academic, New York, 1961 ).
2. Brouwer, D. and van Woerkom, A.J.J. (1950), Astr. Pap. U.S. Naval Obs. Naut. Almanac Off. Part II, 85–107.
3. Dermott, S. F., and Murray, C. D. (1983), “Nature of the Kirkwood gaps in the asteroid belt” Nature 301, 201-205.
4. Dermott, S. F., Nicholson, P. D., Burn, J. A., and Houck, J. R.(1984), “Origin of the solar system dust bands discovery by IRAS” Nature, (in press)
5. Dohnanyi, J. S. (1976), “Sources of interplanetary dust: Asteroids” in Interplanetary Dust and Zodiacal Light (eds. Elsasser, H., and Fechtig, H.) 187 - 205 ( Springer-Verlag, Berlin ).