@article{oai:repository.dl.itc.u-tokyo.ac.jp:00028145,
 author = {西島, 和彦},
 issue = {2},
 journal = {東京大学理学部弘報},
 month = {Jul},
 note = {application/pdf},
 pages = {5--6},
 title = {アメリカの活力},
 volume = {16},
 year = {1984}
}