@article{oai:u-ryukyu.repo.nii.ac.jp:02006503,
 author = {西山, 太平},
 issue = {144},
 journal = {琉大農家便り},
 note = {紀要論文},
 pages = {9--10},
 title = {乳牛の飼養規模と管理の問題}
}