1. Araki, S. 1985, Ph.D. thesis, MIT
2. Athanassoula, E. 1996, in Lecture Notes in Physics 474, Barred Galaxies and Circumnuclear Activity: Nobel Symp. 98, ed. Aa. Sandquist & P. O. Lindblad (Berlin: Springer)
3. Binney, J. & Tremaine, S. 1987, Galactic Dynamics (Princeton: Princeton Univ. Press)
4. Self-gravitating Star Systems
5. The vertical structure of galactic disks