Bashmal, S., Bhat, R. and Rakheja, S. (2007) “In-plane free vibration of circular disks using characteristic orthogonal polynomials in Rayleigh-Ritz method”, Canadian Acoustics, 35(3), pp. 164–165. Available at: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1952 (Accessed: 16 October 2021).