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) Md. Rafiqul Islam and Daigoro Hayashi,"Geology and coal bed methane resource potential of the Gondwana Barapukuria Coal Basin, Dinajpur, Bangladesh",International Journal of Coal Geology,0166-5162,Elsevier BV,2008-08,75,3,127-143,https://cir.nii.ac.jp/crid/1360855568813142912,https://doi.org/10.1016/j.coal.2008.05.008