1. File sizes and types (2014).
http://help.netdocuments.com/file-sizes/
2. Baken, R.J., Orlikoff, R.F.: Clinical Measurement of Speech and Voice. Cengage Learning, Clifton Park (2000)
3. Domingues, N., Lacerda, J., Aguiar, P.M., Lopes, C.V.: Aerial communications using piano, clarinet, and bells. In: 2002 IEEE Workshop on Multimedia Signal Processing, pp. 460–463. IEEE (2002)
4. Ellison, R.J., Goodenough, J.B., Weinstock, C.B., Woody, C.: Evaluating and mitigating software supply chain security risks. Technical report, DTIC Document (2010)
5. Gerasimov, V., Bender, W.: Things that talk: using sound for device-to-device and device-to-human communication. IBM Syst. J. 39(3.4), 530–546 (2000)