Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Sato Yoshiki,Optical Study of Electronic Structure of Graphite,Journal of the Physical Society of Japan,00319015,THE PHYSICAL SOCIETY OF JAPAN,1968,24,3,489-492,https://cir.nii.ac.jp/crid/1390001204193610752,https://doi.org/10.1143/jpsj.24.489