1. Sciama, D.W.: Peculiar velocity of the Sun and the cosmic microwave background. Phys. Rev. Lett. 18, 1065–1067 (1967)
2. Partridge, R.B., Wilkinson, D.T.: Isotropy and homogeneity of the Universe from measurements of the cosmic microwave background. Phys. Rev. Lett. 18, 557–559 (1967)
3. Peebles, P.J.E.: Physical Cosmology. Princeton University Press, Princeton (1971)
4. Smoot, G.F., Davidson, K.: Wrinkles in Time. William Morrow, New York (1994)
5. Gorenstein, M.V., Smoot, G.F., Muller, R.A.: Anisotropy of the cosmic microwave background radiation. Bull. Astron. Soc. 9, 431 (1977)