Goy, Huiwen, D. Timothy Ives, Frank A. Russo, M. Kathleen Pichora-Fuller, and Roy D. Patterson. 2009. “Changes in Melodic Perception As a Function of Age and Lowest Harmonic Component”. Canadian Acoustics 37 (3):184-85. https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2195.