@inproceedings{oai:jaxa.repo.nii.ac.jp:00011438,
 author = {向井, 利典 and Mukai, Toshifumi},
 book = {第4回宇宙科学シンポジウム, Proceedings of the 4th Space Science Symposium},
 month = {Aug},
 note = {資料番号: AA0047899002},
 pages = {7--11},
 publisher = {宇宙航空研究開発機構宇宙科学研究本部, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA/ISAS)},
 title = {宇宙科学の長期的展望},
 year = {2004}
}