X-RAYS (OPTICS)
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BTOPTICS
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UDC535-34
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Descriptor GERRÖNTGENSTRAHLEN (OPTIK)
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Descriptor ENGX-RAYS (OPTICS)
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Descriptor FRERAYONS X (OPTIQUE)
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RTX-RAYS (BIOPHYSICS)
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RTSYNCHROTRON RADIATION + CYCLOTRON RADIATION (ELECTRODYNAMICS)