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 "Bollig, Michael",Shaping the African savannah : from capitalist frontier to arid Eden in Namibia,,Cambridge University Press,2020,African studies series,,9781108488488,,https://cir.nii.ac.jp/crid/1130003902845913216