Howe, Rebecca, Rafia Javaid, Michael J Pitts, and Fraser R.J Scanlan. “A5_1 Super Sonic (the Hedgehog)”. Physics Special Topics 16, no. 1 (November 3, 2017). Accessed May 18, 2025. https://journals.le.ac.uk/index.php/pst/article/view/2408.