Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
,A Synchronized Variation of the 6.7 GHz Methanol Maser in Cepheus A,Publications of the Astronomical Society of Japan 60,,,2008,,,1001-1006,https://cir.nii.ac.jp/crid/1010000782034127492,