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 "Gadbury, G. L. and Rocky Mountain Research Station (Fort Collins, Colo.)",A nonparametric analysis of plot basal area growth using tree based models,,"U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Research Station",1998,Research paper RMRS,,,,https://cir.nii.ac.jp/crid/1130000796271921536