Neil, Thomas R.; Holderied, Marc W.: 'The biosonar arms race between bats and insects' (Radar, Sonar and Navigation, 2017), 'Biologically-Inspired Radar and Sonar: Lessons from nature', Chap. 6, pp. 109-135, DOI: 10.1049/SBRA514E_ch6
IET Digital Library, https://digital-library.theiet.org/;jsessionid=3nb7puoy3810.x-iet-live-01content/books/10.1049/sbra514e_ch6