তরঙ্গ: সংশোধিত সংস্করণের মধ্যে পার্থক্য

== উৎস ==

* Campbell, M. and Greated, C. (1987). ''The Musician’s Guide to Acoustics''. New York: Schirmer Books.

* {{citation | last=Hall | first=D. E. | year=1980 | title=Musical Acoustics: An Introduction | location=Belmont, California | publisher=Wadsworth Publishing Company | isbn=0534007589 }}.

* {{citation | last=Hunt | first=F. V. | origyear=1966 | title=Origins in Acoustics | location=New York | publisher=Acoustical Society of America Press | year=1992 | url=http://asa.aip.org/publications.html#pub17 }}.