@article{oai:tohoku.repo.nii.ac.jp:00004634,
 author = {Eguchi, K. and Enomoto, S. and Inoue, K. and Shirai, J. and et, al. and KamLAND, Collaboration},
 issue = {2},
 journal = {Physical review letters},
 month = {Jan},
 note = {application/pdf, 学術論文 (Article), 907413 bytes},
 pages = {021802-1--021802-6},
 title = {First Results from KamLAND: Evidence for Reactor Antineutrino Disappearance},
 volume = {90},
 year = {2003}
}