Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Hideyuki Sotobayashi and Yoichi Fujii and Takatoshi Kato and Jungkeun Lee and Yukiko Kondo,Multipoint temperature sensor using fiber optic ring resonator by pulse-frequency localization,SPIE Proceedings,0277-786X,SPIE,1993-12-30,2071,,153-162,https://cir.nii.ac.jp/crid/1874242817346263808,https://doi.org/10.1117/12.165906