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
"Stansfield, G. and Hepworth, J. V. and Geological Survey of Botswana","The geology of the area around Dukwe and Tlalamabele, Central District, Botswana",[Microfilm ed.],General Microfilm,,African documents,,,,https://cir.nii.ac.jp/crid/1130282271521113856