Baddour, Ralph E., and Michael C. Kolios. “The Effect of Packing Order on Ultrasound Backscatter from Cells at Different Volume Fractions”. Canadian Acoustics 33, no. 3 (September 1, 2005): 100–101. Accessed April 17, 2024. https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1764.