1. Aarseth, S. J. 1994, in Galactic Dynamics and N-body Simulations, ed. G. Contopoulos, N. K. Spyrou, & L. Vlahos (Springer Verlag, Berlin), 277
2. Constraints on the Birth Aggregate of the Solar System
3. Beckwith, S. V. W., Henning, T., & Nakagawa, Y. 2000, in Protostars & Planets IV, ed. V. Mannings, A. P. Boss, & S. S. Russell (University of Arizona Press, Tucson), 533