Watkins, W. Targets and Backgrounds X: Characterization and Representation. SPIE Digital Library.
Cita Chicago Style (17a ed.)Watkins, Wendell. Targets and Backgrounds X: Characterization and Representation. SPIE Digital Library.
Cita MLA (9a ed.)Watkins, Wendell. Targets and Backgrounds X: Characterization and Representation. SPIE Digital Library.
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