RDZANEK Jr., Wojciech P., and Krzysztof SZEMELA. “Reduction of the Sound Power Radiated by a Two Pistons System Located Near the Three-Wall Corner”. Archives of Acoustics, vol. 32, no. 2, May 2014, pp. 339-50, https://acoustics.ippt.pan.pl/index.php/aa/article/view/807.