Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) ,Phenomenological Theory of a Scalar Electronic Order : Application to Skutterudite PrFe4P12,J. Phys. Soc. Jpn. 77,,,2008,,,,https://cir.nii.ac.jp/crid/1010282256953280150,