Stephen Kasdor, Blake Troksa, Jake Harmon, Cam Key, and Branislav M. Notaroš. 2020. “Shooting-Bouncing-Rays Technique to Model Mine Tunnels: Theory and Accuracy Validation”. Applied Computational Electromagnetics Society Journal (ACES) 35 (11):1268-69. https://journals.riverpublishers.com/index.php/ACES/article/view/7461.