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Athos, E. Alexandra, Barbara Levinson, Amy Kistler, Jason Zemansky, Alan Bostrom, Nelson Freimer, and Jane Gitschier. Dichotomy and Perceptual Distortions in Absolute Pitch Ability. National Academy of Sciences, 2007.

Athos, E. Alexandra, et al. Dichotomy and Perceptual Distortions in Absolute Pitch Ability. National Academy of Sciences, 2007.