Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Sato Shigeru and Miyahara Tsuneaki and Hanyu Takaaki and Yamaguchi Shigeo and Ishii Takehiko,Extreme Ultraviolet Absorption Spectra of Alkali Metals,Journal of the Physical Society of Japan,00319015,THE PHYSICAL SOCIETY OF JAPAN,1979,47,3,836-843,https://cir.nii.ac.jp/crid/1390001204182851072,https://doi.org/10.1143/jpsj.47.836