Osler, John, Sean Pecknold, Gary Inglis, and Mark Stoddard. “A Historical Perspective On Experimental Acoustic Processing Systems At DRDC Atlantic”. Canadian Acoustics 45, no. 4 (December 18, 2017): 18–20. Accessed October 27, 2021. https://jcaa.caa-aca.ca/index.php/jcaa/article/view/3048.