Heller Michael. (1992). Introduction to the global structure of space - time: The theorical foundations of cosmology (In lần thứ 1.). Singapore: World Scientific.
Styl cytowania ChicagoHeller Michael. Introduction to the Global Structure of Space - Time: The Theorical Foundations of Cosmology. In lần thứ 1. Singapore: World Scientific, 1992.
Styl cytowania MLAHeller Michael. Introduction to the Global Structure of Space - Time: The Theorical Foundations of Cosmology. In lần thứ 1. Singapore: World Scientific, 1992.
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