Kilkenny, C., M.F. Leach, and D.E. Goldsack. “Acoustic Emission of Silica Gel”. Canadian Acoustics 25, no. 4 (December 1, 1997): 28–28. Accessed April 18, 2024. https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1108.