@article{oai:u-ryukyu.repo.nii.ac.jp:02006020,
 author = {宮城, 正夫},
 issue = {31},
 journal = {琉大農家便り},
 note = {紀要論文},
 pages = {2--4},
 title = {豚のえいせいもんだい　－そろそろでんせん病のはやる頃です－}
}