@article{oai:kochi.repo.nii.ac.jp:00005176, author = {中山, 義雄}, issue = {12}, journal = {高知大学学術研究報告 農学編}, month = {}, note = {application/pdf}, pages = {115--130}, title = {断面欠損をもつ木材ばりにおける動的ヤング率の低減について}, volume = {23}, year = {1974} }