Hoover, R. X-Ray Optics, Instruments, and Missions. SPIE Digital Library.
Čikaški stil citiranja (17. izdanje)Hoover, Richard. X-Ray Optics, Instruments, and Missions. SPIE Digital Library.
MLA način citiranja (9. izdanje)Hoover, Richard. X-Ray Optics, Instruments, and Missions. SPIE Digital Library.
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