@article{oai:niigata-u.repo.nii.ac.jp:00002547,
 author = {Kumazawa, Kikuo and Arima, Yasuhiro and Ohyama, Takuji and Minamisawa, Kiwamu},
 issue = {6},
 journal = {Proceedings of the Japan Academy. Ser. B, Physical and biological sciences},
 month = {},
 pages = {223--226},
 title = {Assimilation and Transport of Fixed Nitrogen in Soybean Nodule as Revealed with 15N},
 volume = {63},
 year = {1987}
}