@techreport{oai:soar-ir.repo.nii.ac.jp:00017033,
 author = {渡辺,  隆一},
 month = {Mar},
 note = {Article, 信州大学環境科学論集9:69-70(1987)},
 title = {原生林保護の必要性について},
 year = {1987}
}