@misc{oai:miyazaki-u.repo.nii.ac.jp:00004756,
 author = {福原, 利一 and Fukuhara, Riichi and 原田, 宏 and Harada, Hiroshi and Inoue, S},
 month = {},
 title = {Sex Ratio in Wagyu Cattle(The Japanese Black Cattle)},
 year = {1993},
 yomi = {フクハラ, リイチ and ハラダ, ヒロシ}
}