Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) H. Kataoka and Hisamatsu Nakano and J. Yamauchi,Radiation from a two-arm metamaterial spiral,2012 IEEE International Conference on Wireless Information Technology and Systems (ICWITS),,IEEE,2012-11-01,,,1-4,https://cir.nii.ac.jp/crid/1872835442500891392,https://doi.org/10.1109/icwits.2012.6417752