Li J- fang, Hodgson M. Use of Residual Pressure-Intensity Index for Examination of the Accuracy of a Surface-Impedance Measurement System. Canadian Acoustics [Internet]. 1996 Sep. 1 [cited 2024 May 7];24(3):14-. Available from: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/989