Rees, M., & Ruffini, R. W. (1975). Black holes, gravitational waves and cosmology: An introduction to current research. Gordon.
शिकागो स्टाइल उद्धरणRees, Martin, और Remo Wheeler Ruffini. Black Holes, Gravitational Waves and Cosmology: An Introduction to Current Research. New York: Gordon, 1975.
एमएलए उद्धरणRees, Martin, और Remo Wheeler Ruffini. Black Holes, Gravitational Waves and Cosmology: An Introduction to Current Research. Gordon, 1975.
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