著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) C A Kolassis and N O Santos and D Tsoubelis,Energy conditions for an imperfect fluid,Classical and Quantum Gravity,0264-9381,IOP Publishing,1988-10-01,5,10,1329-1338,https://cir.nii.ac.jp/crid/1360580238242747008,https://doi.org/10.1088/0264-9381/5/10/011