Zdroj: |
Smethurst, Becky. A brief history of black holes: and why nearly everything you know about them is wrong. London: Macmillan, 2022 LC (Names), cit. 7. 10. 2022 www(Wikipedia, the free encyclopedia), cit. 7. 10. 2022 www(osobní stránka), cit. 11. 10. 2022 |