著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Eckert, James D.","Early Llandovery crinoids and stelleroids from the Cataract Group (Lower Silurian) in southern Ontario, Canada",,Royal Ontario Museum,1984,Life sciences contributions,,0888542984,,https://cir.nii.ac.jp/crid/1130000795427745152