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) G.V.S. Poornachandra Rao and J. Mallikharjuna Rao,Palaeomagnetism of the Rajmahal Traps of India:Implication to the Reversal in the Cretaceous Normal Superchron,Journal of Geomagnetism and Geoelectricity,00221392,Tokyo : Terra Scientific Pub. Co,1996,48,7,993-1000,https://cir.nii.ac.jp/crid/1523388080761200512,