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
"Poplar Symposium, Harrison Hot Springs, B.C., 1967 and Maini, J. S. and Cayford, J. H. and Canada. Forestry Branch",Growth and utilization of poplars in Canada,,Dept. of Forestry and Rural Development,1968,Departmental publication,,,,https://cir.nii.ac.jp/crid/1130282272916252928