Garratley, R., C. T. Davies, K. J. Cheshire, and J. Moore. “A2_3 Harry Potter and the Concussion at Platform Nine and Three Quarters”. Physics Special Topics 15, no. 1 (December 1, 2016). Accessed June 8, 2025. https://journals.le.ac.uk/index.php/pst/article/view/903.