Freund, A. X-Ray Mirrors, Crystals, and Multilayers. SPIE Digital Library.
Cita Chicago Style (17a ed.)Freund, Andreas. X-Ray Mirrors, Crystals, and Multilayers. SPIE Digital Library.
Cita MLA (9a ed.)Freund, Andreas. X-Ray Mirrors, Crystals, and Multilayers. SPIE Digital Library.
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