Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Eriko Idesawa and Makoto Tashiro and Kazuo Makishima,X-Ray Observations of the BL Lacertae Object OJ 287 with ASCA,Publications of the Astronomical Society of Japan,00046264,Tokyo : Astronomical Society of Japan,1997-12,49,6,631-637,https://cir.nii.ac.jp/crid/1524232504905952640,