Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Bokuji Komiyama and Zhen Wang and Masayoshi Tonouchi,Penetration depth measurements of single-crystal NbN films at millimeter-wave region,Applied Physics Letters,0003-6951,AIP Publishing,1996-01-22,68,4,562-563,https://cir.nii.ac.jp/crid/1360011145244871040,https://doi.org/10.1063/1.116400