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 Walraven, F.",Rustenburg,,"Dept. of Mineral and Energy Affairs, Geological Survey",1981,1:250 000 geological series = 1:250 000 geologies reeks,,,,https://cir.nii.ac.jp/crid/1130282271418156928