Halvorson, C. Optics and Photonics in Global Homeland Security V and Biometric Technology for Human Identification VI. SPIE Digital Library.
Chicago-viite (17. p.)Halvorson, Craig. Optics and Photonics in Global Homeland Security V and Biometric Technology for Human Identification VI. SPIE Digital Library.
MLA-viite (9. p.)Halvorson, Craig. Optics and Photonics in Global Homeland Security V and Biometric Technology for Human Identification VI. SPIE Digital Library.
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