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
"Hof, Angela",Land use change and land cover assessment in grazing reserves in Northwest Nigeria : a geographical analysis based on remote sensing and geographic information science,,Geographisches Institut der Ruhr-Universität Bochum,2006,Bochumer geographische Arbeiten,,3925143750,,https://cir.nii.ac.jp/crid/1130282272569963648