@article{oai:kochi.repo.nii.ac.jp:00005142,
 author = {山本, 誠},
 issue = {12},
 journal = {高知大学学術研究報告 農学編},
 month = {},
 note = {application/pdf},
 pages = {99--104},
 title = {林道の幾何構造と輸送効率},
 volume = {25},
 year = {1976}
}