WRONA, Stanisław, and Marek PAWEŁCZYK. “Controllability-Oriented Placement of Actuators for Active Noise-Vibration Control of Rectangular Plates Using a Memetic Algorithm”. Archives of Acoustics, vol. 38, no. 4, Dec. 2013, pp. 529–536, https://acoustics3.ippt.pan.pl/index.php/aa/article/view/316.