Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Robert Sips,On the Structure of a Catalyst Surface. II,The Journal of Chemical Physics,0021-9606,AIP Publishing,1950-08-01,18,8,1024-1026,https://cir.nii.ac.jp/crid/1362544420384477312,https://doi.org/10.1063/1.1747848