Gu J-J, Montealegre-Zapata F, Robert D, m.fl. Wing stridulation in a Jurassic katydid (Insecta, Orthoptera) produced low-pitched musical calls to attract females. Proceedings of the National Academy of Sciences. 2012;109(10):3868 - 3873. Available at: http://www.pnas.org/cgi/doi/10.1073/pnas.1118372109.