Amrita Bal, and Gregory H. Huff. 2020. “Modelling and Impact of 3D Print Inaccuracies on the Performance of Circular Waveguide Hybrid Coupler”. Applied Computational Electromagnetics Society Journal (ACES) 35 (11):1284-85. https://journals.riverpublishers.com/index.php/ACES/article/view/7479.