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
"California. Division of Mines and Geology and Chapman, Rodger H. and Bishop, Charles C. and Gay, Thomas E. and Aune, Quintin A.",Alturas sheet,,"Division of Mines and Geology, State of California",1968,Bouguer gravity map of California,,,,https://cir.nii.ac.jp/crid/1130282269626178816