Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Morishita Mimpei and Itoh Hiroaki,The Self-gap-Detecting Electromagnetic Suspension System with Robustness Against Variation of Coil Resistance,IEEJ Transactions on Industry Applications,09136339,The Institute of Electrical Engineers of Japan,2006,126,10,1280-1285,https://cir.nii.ac.jp/crid/1390001204659221632,https://doi.org/10.1541/ieejias.126.1280