Richards, A. A. Alien Vision: Exploring the Electromagnetic Spectrum with Imaging Technology. SPIE Digital Library.
Chicago-čujuhus (17. p.)Richards, Austin A. Alien Vision: Exploring the Electromagnetic Spectrum with Imaging Technology. SPIE Digital Library.
MLA-čujuhus (9. p.)Richards, Austin A. Alien Vision: Exploring the Electromagnetic Spectrum with Imaging Technology. SPIE Digital Library.
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