Dyfyniad APA

Pelli, D. G., & Bex, P. (2013). Measuring contrast sensitivity.

Dyfyniad Arddull Chicago

Pelli, Denis G., and Peter Bex. Measuring Contrast Sensitivity. 2013.

Dyfyniad MLA

Pelli, Denis G., and Peter Bex. Measuring Contrast Sensitivity. 2013.

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