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 "Keefer, Robert F. and Sajwan, Kenneth S.",Trace elements in coal and coal combustion residues,,Lewis Publishers,1993,Advances in trace substances research,,0873718909,,https://cir.nii.ac.jp/crid/1130000797482291456