@article{oai:repository.dl.itc.u-tokyo.ac.jp:00051217,
 author = {Hagihara, Seishi and Azuma, Noriko and Suyama, Kiichi and Katakura, Seiji and Ijiri, Shigeho and Adachi, Shinji},
 issue = {1},
 journal = {Coastal Marine Science},
 month = {},
 pages = {7--10},
 title = {First report of the occurrence of a female Amur sturgeon Acipenser schrenckii in advanced stages of oogenesis, off the coast of Mombetsu, Hokkaido, Japan},
 volume = {41},
 year = {2018}
}