Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Ueba Hiromu,Electronic Properties of Thin Films and Interfaces,Butsuri,00290181,The Physical Society of Japan,1979,34,12,1047-1050,https://cir.nii.ac.jp/crid/1390001205403920896,https://doi.org/10.11316/butsuri1946.34.1047