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
Geological Survey (South Africa) and Council for Geoscience (South Africa),Kenhardt,,"Council for Geoscience, Geological Survey of South Africa",1998,Geologiese reeks : 1:250 000 = Geological series : 1:250 000,,,,https://cir.nii.ac.jp/crid/1130000795134691072