Yamamoto, Y., T. Koseki, and Y. Aoyama. “Proposal of C-Core Type Transverse Flux Motor for Ship Propulsion – Increasing Torque Density by Dense Stator Configuration –”. Advanced Electromagnetics, vol. 2, no. 3, Feb. 2014, pp. 28-34, doi:10.7716/aem.v2i3.198.