@article{oai:hi-tech.repo.nii.ac.jp:00004080, author = {小玉, 成人 and 小比類巻, 俊}, journal = {八戸工業大学地域産業総合研究所紀要, The Bulletin of Institute for Promotion of Community Industrial Activities Hachinohe Institute of Technology}, month = {Mar}, pages = {18--22}, volume = {20}, year = {2022} }