Narlikar, J. V. (1998). Elements of cosmology. Univ. Pr..
Tohutoru Kātū Chicago (17th ed.)Narlikar, Jayant V. Elements of Cosmology. Hyderabad: Univ. Pr., 1998.
Tohutoro MLA (9th ed.)Narlikar, Jayant V. Elements of Cosmology. Univ. Pr., 1998.
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