Roychoudhuri, C. The Nature of Light: What are Photons? IV. SPIE Digital Library.
Chicago-viite (17. p.)Roychoudhuri, Chandrasekhar. The Nature of Light: What Are Photons? IV. SPIE Digital Library.
MLA-viite (9. p.)Roychoudhuri, Chandrasekhar. The Nature of Light: What Are Photons? IV. SPIE Digital Library.
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