SpringerLink (Online service), Trümper, J. E., & Hasinger, G. (2008). The Universe in X-Rays (1st ed. 2008.). Springer Berlin Heidelberg : Imprint: Springer.
Cita Chicago Style (17a ed.)SpringerLink (Online service), Joachim E. Trümper, y Günther Hasinger. The Universe in X-Rays. 1st ed. 2008. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2008.
Cita MLA (8a ed.)SpringerLink (Online service), et al. The Universe in X-Rays. 1st ed. 2008. Springer Berlin Heidelberg : Imprint: Springer, 2008.
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