Gorenstein, P. X-Ray Optics for Astronomy: Telescopes, Multilayers, Spectrometers, and Missions. SPIE Digital Library.
Chicago-čujuhus (17. p.)Gorenstein, Paul. X-Ray Optics for Astronomy: Telescopes, Multilayers, Spectrometers, and Missions. SPIE Digital Library.
MLA-čujuhus (9. p.)Gorenstein, Paul. X-Ray Optics for Astronomy: Telescopes, Multilayers, Spectrometers, and Missions. SPIE Digital Library.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.