Waudby-Smith, P., A. Joshi, C. Sooriyakumaran, C. Gabriel, and M. Grabenstein. “Using a Passive Feedback Connection to Control Low-Frequency Pressure Fluctuations in a Wind Tunnel”. Canadian Acoustics, vol. 50, no. 1, July 2022, https://jcaa.caa-aca.ca/index.php/jcaa/article/view/3455.