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 and Mines Bureau of Sri Lanka and British Geological Survey and Mosley, P. N.",Colombo-Ratnapura,,Geological Survey and Mines Bureau of Sri Lanka,1996,Provisional map series,,9559323229,,https://cir.nii.ac.jp/crid/1130000795992093184