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)
Yuzhuang Sun and W Püttmann and W Kalkreuth and B Horsfield,"Petrologic and geochemical characteristics of Seam 9-3 and Seam 2, Xingtai Coalfield, Northern China",International Journal of Coal Geology,0166-5162,Elsevier BV,2002-04,49,4,251-262,https://cir.nii.ac.jp/crid/1363670318501019264,https://doi.org/10.1016/s0166-5162(01)00067-2