1. Arzoumanian, Z. 1995, PhD Thesis, Princeton University
2. Bahcall, J. N. 1964, Physical Review, 136, B1164
3. Bailyn, C., Rosner, R., & Tsinganos, K. 1985, ApJ, 296, 696
4. Bruenn, S. W., De Nisco, K. R., & Mezzacappa, A. 2001, preprint (astroph/0101400)
5. Burbidge, E. M., Burbidge, G. R., Fowler, W. A., & Hoyle, F. 1957, Rev. Mod. Phys., 29, 547