PANUSZKA, Ryszard, and Jacek CIEŚLIK. “Verification Tests of a Method of Determining Sound Intensity With the Application of a Two Microphone Technique”. Archives of Acoustics 10, no. 4 (July 10, 2015): 401–410. Accessed April 25, 2025. https://acoustics3.ippt.pan.pl/index.php/aa/article/view/3175.