Үүнийг авах : Astronomy and astrophysics in the new millennium [electronic resource] / Astronomy and Astrophysics Survey Committee, Board on Physics and Astronomy-Space Studies Board, Commission on Physical Sciences, Mathematics, and Applications, National Research Council.

Гарчиг : Astronomy and astrophysics in the new millennium [electronic resource] / Astronomy and Astrophysics Survey Committee, Board on Physics and Astronomy-Space Studies Board, Commission on Physical Sciences, Mathematics, and Applications, National Research Council.

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