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"How Sound Propagates"(PDF). Princeton University Press. Archived(PDF) from the original on 2022-10-09. Retrieved 9 February 2016. (quoting from Aristotle's Treatise on Sound and Hearing)
"How Sound Propagates"(PDF). Princeton University Press. Archived(PDF) from the original on 2022-10-09. Retrieved 9 February 2016. (quoting from Aristotle's Treatise on Sound and Hearing)
Technical Committee on Musical Acoustics (TCMU) of the Acoustical Society of America (ASA). "ASA TCMU Home Page". Archived from the original on 2001-06-13. Retrieved 22 May 2013.
Whewell, William. History of the inductive sciences: from the earliest to the present times. Volume 2. Cambridge. p.295. ISBN978-0-511-73434-2. OCLC889953932.
Greek musical writings. Barker, Andrew (1st pbk.ed.). Cambridge: Cambridge University Press. 2004. p.98. ISBN0-521-38911-9. OCLC63122899.{{cite book}}: CS1 maint: others (link)
Pierce, Allan D. (1989). Acoustics: an introduction to its physical principles and applications (1989ed.). Woodbury, N.Y.: Acoustical Society of America. ISBN0-88318-612-8. OCLC21197318.