Shapley, H. (1916). Studies of Magnitudes in Star Clusters: III. The Colors of the Brighter Stars in Four Globular Systems.
Styl cytowania ChicagoShapley, Harlow. Studies of Magnitudes in Star Clusters: III. The Colors of the Brighter Stars in Four Globular Systems. 1916.
Styl cytowania MLAShapley, Harlow. Studies of Magnitudes in Star Clusters: III. The Colors of the Brighter Stars in Four Globular Systems. 1916.
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