Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) 柳原 敦,庄内砂丘のクロマツ林は今,Shinrin Kagaku,0917-1908,THE JAPANESE FOREST SOCIETY,2004,41,0,72a-73,https://cir.nii.ac.jp/crid/1390282679350297856,https://doi.org/10.11519/jjsk.41.0_72a