1. For textbooks on modern cosmology see e.g., E.W. Kolb and M.S. Turner, The Early Universe (Addison-Wesley, Redwood City, CA, 1990)
2. P.J.E. Peebles, Principles of Physical Cosmology (Princeton University Press, Princeton, NJ, 1993)
3. J. Mould et. al., Astrophys. J.
383, 467 (1991).,
4. J. Mather et. al., Astrophys. J. 420, 439 (1994)
5. See e.g., M. White, D. Scott, and J. Silk, Ann. Rev. Astron. Astrophys. 32, 319 (1994)