@article{oai:u-ryukyu.repo.nii.ac.jp:02006163,
 author = {渡嘉敷, 綏宝 and Tokashiki, Suiho},
 issue = {57},
 journal = {琉大農家便り},
 note = {紀要論文},
 pages = {3--4},
 title = {日本における牛の繁殖上の諸問題}
}