Zvučni talasi — разлика између измена

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Ред 55:
* Barrow, W. L., "''Transmission of electromagnetic waves in hollow tubes of metal''", [[Proc. IRE]], vol. 24, pp. 1298–1398, October 1936.
* Russell, Dan, "''[http://www.acs.psu.edu/drussell/Demos/waves/wavemotion.html Longitudinal and Transverse Wave Motion]''". Acoustics Animations, Pennsylvania State University, Graduate Program in Acoustics.
* Longitudinal Waves, with animations "''[https://web.archive.org/web/20060303195103/http://www.glenbrook.k12.il.us/gbssci/phys/Class/sound/u11l1b.html The Physics Classroom]''"
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