Li, J.- fang and Hodgson, M. (1996) “Use of Residual Pressure-Intensity Index for Examination of the Accuracy of a Surface-Impedance Measurement System”, Canadian Acoustics, 24(3), pp. 14–14. Available at: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/989 (Accessed: 7 May 2024).