Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) P. B. Johnson and R. W. Christy,Optical Constants of the Noble Metals,Physical Review B,0556-2805,American Physical Society (APS),1972-12-15,6,12,4370-4379,https://cir.nii.ac.jp/crid/1364233268891533952,https://doi.org/10.1103/physrevb.6.4370