@article{oai:u-ryukyu.repo.nii.ac.jp:02006437,
 author = {宮城, 正夫 and Miyagi, Masao},
 issue = {127},
 journal = {琉大農家便り},
 note = {紀要論文},
 pages = {2--8},
 title = {牛の乳房炎の酪農経営に及ぼす影響}
}