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 "Grut, Mikael and Gray, John Andrew and Egli, Nicolas and International Bank for Reconstruction and Development",Forest pricing and concession policies : managing the high forest of West and Central Africa,,World Bank,1991,World Bank technical paper,,0821318756,,https://cir.nii.ac.jp/crid/1130000796144130048