K. Küpfmüller, "Über die Dynamik der selbsttätigen Verstärkungsregler", Elektrische Nachrichtentechnik, vol. 5, no. 11, pp. 459-467, 1928. (German) On the dynamics of automatic gain controllers, (English translation)
D. O. Kim (1984). "Functional roles of the inner-and outer-hair-cell subsystems in the cochlea and brainstem". In C. I. Berlin (ed.). Hearing science: Recent advances(PDF). College Hill Press. pp. 241–262. Archived from the original(PDF) on 2010-07-01. Retrieved 2010-10-13.
web.archive.org
D. O. Kim (1984). "Functional roles of the inner-and outer-hair-cell subsystems in the cochlea and brainstem". In C. I. Berlin (ed.). Hearing science: Recent advances(PDF). College Hill Press. pp. 241–262. Archived from the original(PDF) on 2010-07-01. Retrieved 2010-10-13.