Ross, J. “Commentary on Zicari. Expressive Tempo Modifications in Adelina Patti’s Recordings: An Integrated Approach”. Empirical Musicology Review, vol. 12, no. 1-2, Sept. 2017, pp. 57-58, https://www.osu.tests.sfulib4.publicknowledgeproject.org/index.php/EMR/article/view/5853.