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
"* Stopes, M. C. and Watson, David Meredith Seares","On the present distribution and origin of the calcareous concretions in coal seams, known as ""coal balls""",,Royal Society,1907,Philosophical transactions of the Royal Society of London,,,,https://cir.nii.ac.jp/crid/1130282269624887424