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
"Baker, B. H. (Brian Howard)",Geology of the Mount Kenya area : degree sheet 44 N.W. quarter (with coloured map),,"Republic of Kenya, Ministry of Natural Resources, Geological Survey of Kenya",1967,Geological survey of Kenya,,,,https://cir.nii.ac.jp/crid/1130282272913047040