Barkhausen, H. (1935). Lehrbuch der Elektronen-Röhren und ihrer technischen Anwendungen [Textbook of Electron Tubes and their Technical Applications] (in German). Vol. 3. Leipzig: S. Hirzel. ASINB0019TQ4AQ. OCLC682467377.
von Wangenheim, Lutz (2010), "On the Barkhausen and Nyquist stability criteria", Analog Integrated Circuits and Signal Processing, 66 (1), Springer Science+Business Media, LLC: 139–141, doi:10.1007/s10470-010-9506-4, ISSN1573-1979, S2CID111132040. Received: 17 June 2010 / Revised: 2 July 2010 / Accepted: 5 July 2010.
mit.edu
web.mit.edu
Lundberg, Kent (14 November 2002). "Barkhausen Stability Criterion". Kent Lundberg. MIT. Archived from the original on 7 October 2008. Retrieved 16 November 2008.
qucosa.de
Lindberg, Erik (26–28 May 2010). "The Barkhausen Criterion (Observation ?)"(PDF). Proceedings of 18th IEEE Workshop on Nonlinear Dynamics of Electronic Systems (NDES2010), Dresden, Germany. Inst. of Electrical and Electronic Engineers. pp. 15–18. Archived from the original(PDF) on 4 March 2016. Retrieved 2 February 2013. discusses reasons for this. (Warning: large 56MB download)
semanticscholar.org
api.semanticscholar.org
von Wangenheim, Lutz (2010), "On the Barkhausen and Nyquist stability criteria", Analog Integrated Circuits and Signal Processing, 66 (1), Springer Science+Business Media, LLC: 139–141, doi:10.1007/s10470-010-9506-4, ISSN1573-1979, S2CID111132040. Received: 17 June 2010 / Revised: 2 July 2010 / Accepted: 5 July 2010.
web.archive.org
Lindberg, Erik (26–28 May 2010). "The Barkhausen Criterion (Observation ?)"(PDF). Proceedings of 18th IEEE Workshop on Nonlinear Dynamics of Electronic Systems (NDES2010), Dresden, Germany. Inst. of Electrical and Electronic Engineers. pp. 15–18. Archived from the original(PDF) on 4 March 2016. Retrieved 2 February 2013. discusses reasons for this. (Warning: large 56MB download)
Lundberg, Kent (14 November 2002). "Barkhausen Stability Criterion". Kent Lundberg. MIT. Archived from the original on 7 October 2008. Retrieved 16 November 2008.
worldcat.org
search.worldcat.org
Barkhausen, H. (1935). Lehrbuch der Elektronen-Röhren und ihrer technischen Anwendungen [Textbook of Electron Tubes and their Technical Applications] (in German). Vol. 3. Leipzig: S. Hirzel. ASINB0019TQ4AQ. OCLC682467377.
von Wangenheim, Lutz (2010), "On the Barkhausen and Nyquist stability criteria", Analog Integrated Circuits and Signal Processing, 66 (1), Springer Science+Business Media, LLC: 139–141, doi:10.1007/s10470-010-9506-4, ISSN1573-1979, S2CID111132040. Received: 17 June 2010 / Revised: 2 July 2010 / Accepted: 5 July 2010.