Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Fernand Spiegelman and Frank Stienkemeier and Akira Nakayama and N. F. Allard and John F. Kielkopf,Absorption spectra of Na atoms in dense He,The European Physical Journal D,1434-6060,Springer Science and Business Media LLC,2013-03-01,67,,,https://cir.nii.ac.jp/crid/1872272492726392064,https://doi.org/10.1140/epjd/e2013-30523-x