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