Hoover, R. X-Ray and Extreme Ultraviolet Optics. SPIE Digital Library.
Cita Chicago (17th ed.)Hoover, Richard. X-Ray and Extreme Ultraviolet Optics. SPIE Digital Library.
Cita MLA (9th ed.)Hoover, Richard. X-Ray and Extreme Ultraviolet Optics. SPIE Digital Library.
Atenció: Aquestes cites poden no estar 100% correctes.