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 "Lovejoy, Paul E.",Salt of the desert sun : a history of salt production and trade in the Central Sudan,,Cambridge University Press,2002,African studies series,,0521524334,,https://cir.nii.ac.jp/crid/1130282273222562176