Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SATO Kazuhisa,Thermodynamic quantities and defect equilibrium in La2-xSrxNiO4+δ,Journal of Solid State Chemistry 182,,,2009,,,1121-1128,https://cir.nii.ac.jp/crid/1010000782057103618,