Velzel, C. Fifth International Topical Meeting on Education and Training in Optics. SPIE Digital Library.
Tohutoru Kātū Chicago (17th ed.)Velzel, Christiaan. Fifth International Topical Meeting on Education and Training in Optics. SPIE Digital Library.
Tohutoro MLA (9th ed.)Velzel, Christiaan. Fifth International Topical Meeting on Education and Training in Optics. SPIE Digital Library.
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