Eckart, A., Schödel, R., & Straubmeier, C. M. (2005). The black hole at the center of the Milky Way. Imperial College Press ; Distributed by World Scientific Pub. Co..
Tohutoru Kātū Chicago (17th ed.)Eckart, Andreas, Rainer Schödel, me Christian Michael Straubmeier. The Black Hole at the Center of the Milky Way. London : Hackensack, NJ: Imperial College Press ; Distributed by World Scientific Pub. Co., 2005.
Tohutoro MLA (9th ed.)Eckart, Andreas, et al. The Black Hole at the Center of the Milky Way. Imperial College Press ; Distributed by World Scientific Pub. Co., 2005.
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