Heywood, C., Cowey, A., & Newcombe, F. (1991). Chromatic Discrimination in a Cortically Colour Blind Observer.
Lua i Stíl Chicago (17ú heag.)Heywood, C., A. Cowey, agus F. Newcombe. Chromatic Discrimination in a Cortically Colour Blind Observer. 1991.
Lua MLA (9ú heag.)Heywood, C., et al. Chromatic Discrimination in a Cortically Colour Blind Observer. 1991.
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