@article{oai:soar-ir.repo.nii.ac.jp:00015795, author = {田中, 長三郎}, journal = {上田蠶絲專門學校同窓會報}, month = {Jun}, note = {Article, 上田蠶絲專門學校同窓會報 3; 126-159(1917)}, pages = {126--159}, title = {桑樹分類の基礎}, volume = {3}, year = {1917} }