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
"Veenendaal, Elmar M.",Regeneration and productivity of the grapple plant Harpagophytum procumbens DC. under harvesting pressure,,"National Institute of Development Research and Documentation, University of Botswana,Department of Ecology, Free University",1984,Research notes,,,,https://cir.nii.ac.jp/crid/1130282269674458624