@article{oai:repository.ffpri.go.jp:02002380,
 author = {Watanabe, Masaru and 渡部, 優 and Saito, Masashi and 斎藤, 仁志 and Shirasawa, Hiroaki and 白澤, 紘明 and Ueki , Tatsuhito and 植木, 達人},
 issue = {1},
 journal = {Journal of The Japan Forest Engineering Society, 森林利用学会誌},
 month = {Jan},
 pages = {17--26},
 title = {The possibility of developing high-graded forest road networks by upgrading existing ones —A widening simulation-based investigation—},
 volume = {37},
 year = {2022}
}