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) and Saggerson, E. P.","Geology of the El Wak-Aus Mandula area : degree sheets 23, N.E. and S.E. quarters : with three coloured geological maps",,The government printer,1958,Geological survey of Kenya,,,,https://cir.nii.ac.jp/crid/1130000796359369472