@article{oai:repository.dl.itc.u-tokyo.ac.jp:00028513,
 author = {弥永, 昌吉},
 issue = {4},
 journal = {東京大学理学部弘報},
 month = {May},
 note = {application/pdf},
 pages = {2--2},
 title = {北京の春},
 volume = {7},
 year = {1975}
}