Microphonics (English Wikipedia)

Tomer, Robert B. (July 1960). "Chapter 3: Subjective Failures: Microphonics". Getting the most out of Vacuum Tubes (PDF). Photofact Publication (first printing, first ed.). Indianapolis, USA: Howard W. Sams & Co., Inc. pp. 48–50. LCCN 60-13843. VTT-1. Archived (PDF) from the original on 2019-07-15. Retrieved 2020-01-31. [1]

books.google.com (Global: 3^rd place; English: 3^rd place)

Valkó, Iván Péter [in Hungarian] (1956). Acta Technica - Academiae Scientiarum Hungaricae. Vol. 15. Budapest, Hungaria: Magyar Tudományos Akadémia. pp. 229–231. Retrieved 2013-04-17.
Korn, Granino Arthur; Korn, Theresa M. (1956). Electronic analog computers (d-c analog computers) (2 ed.). McGraw-Hill. pp. 157, 248–249. Retrieved 2013-04-17.
La Plante, Roger A. (July 1956). "Nonmicrophonic Klystron". Electronics. Vol. 29. Philips Laboratories, Irvington-on-Hudson, NY, USA: McGraw-Hill Publishing Company. pp. 238, 241. Retrieved 2013-04-17.

Laps, Mark; Grace, Roy; Sloka, Bill; Prymak, John; Xu, Xilin; Pinceloup, Pascal; Gurav, Abhijit; Randall, Michael; Lessner, Philip; Tajuddin, Aziz (March 2007). "Capacitors for Reduced Microphonics and Sound Emission" (PDF). CARTS 2007 Symposium Proceedings. Albuquerque, NM, USA: KEMET Electronics Corporation, Electronic Components, Assemblies & Materials Association (ECA), Arlington, VA. Archived (PDF) from the original on 2019-11-16. Retrieved 2020-01-31. (8 pages)

Tomer, Robert B. (July 1960). "Chapter 3: Subjective Failures: Microphonics". Getting the most out of Vacuum Tubes (PDF). Photofact Publication (first printing, first ed.). Indianapolis, USA: Howard W. Sams & Co., Inc. pp. 48–50. LCCN 60-13843. VTT-1. Archived (PDF) from the original on 2019-07-15. Retrieved 2020-01-31. [1]

Frakes, Dan (2007-01-31). "In-ear-canal headphone primer". Macworld. Headsets. IDG. Archived from the original on 2019-03-28. Retrieved 2020-01-31.

Demtschyna, Michael (2002). "Video Artefacts - Microphony". Michael D's DVD. Archived from the original on 2019-06-11. Retrieved 2020-01-31.

Tomer, Robert B. (July 1960). "Chapter 3: Subjective Failures: Microphonics". Getting the most out of Vacuum Tubes (PDF). Photofact Publication (first printing, first ed.). Indianapolis, USA: Howard W. Sams & Co., Inc. pp. 48–50. LCCN 60-13843. VTT-1. Archived (PDF) from the original on 2019-07-15. Retrieved 2020-01-31. [1]

Tomer, Robert B. (July 1960). "Chapter 3: Subjective Failures: Microphonics". Getting the most out of Vacuum Tubes (PDF). Photofact Publication (first printing, first ed.). Indianapolis, USA: Howard W. Sams & Co., Inc. pp. 48–50. LCCN 60-13843. VTT-1. Archived (PDF) from the original on 2019-07-15. Retrieved 2020-01-31. [1]
Laps, Mark; Grace, Roy; Sloka, Bill; Prymak, John; Xu, Xilin; Pinceloup, Pascal; Gurav, Abhijit; Randall, Michael; Lessner, Philip; Tajuddin, Aziz (March 2007). "Capacitors for Reduced Microphonics and Sound Emission" (PDF). CARTS 2007 Symposium Proceedings. Albuquerque, NM, USA: KEMET Electronics Corporation, Electronic Components, Assemblies & Materials Association (ECA), Arlington, VA. Archived (PDF) from the original on 2019-11-16. Retrieved 2020-01-31. (8 pages)
Demtschyna, Michael (2002). "Video Artefacts - Microphony". Michael D's DVD. Archived from the original on 2019-06-11. Retrieved 2020-01-31.
Frakes, Dan (2007-01-31). "In-ear-canal headphone primer". Macworld. Headsets. IDG. Archived from the original on 2019-03-28. Retrieved 2020-01-31.