Moir HM, Jackson JCurt, Windmill JFC. No evidence for DPOAEs in the mechanical motion of the locust tympanum.  2011. Available at: http://jeb.biologists.org/cgi/doi/10.1242/jeb.056465https://syndication.highwire.org/content/doi/10.1242/jeb.056465.

Sueur J, Windmill JFC, Robert D. Tuning the drum: the mechanical basis for frequency discrimination in a Mediterranean cicada.  2006.