著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Michio Tsutsumi and Shiro Itano,Variant of estimation method of above-ground plant biomass in grassland with gamma model 1. Use of an electronic capacitance probe,Grassland science,17446961,[Nasushiobara] : Japanese Society of Grassland Science ; 2005-[2020],2005-12,51,4,275-279,https://cir.nii.ac.jp/crid/1523106604672919424,