@article{oai:repository.dl.itc.u-tokyo.ac.jp:00051851,
 author = {北村, 朋史},
 journal = {国際関係論研究},
 month = {Mar},
 pages = {39--86},
 title = {国際法における事情変更原則の法的根拠},
 volume = {27},
 year = {2008}
}