@article{oai:repository.dl.itc.u-tokyo.ac.jp:00027817,
 author = {石田, 恵一},
 issue = {1},
 journal = {東京大学理学部弘報},
 month = {Jun},
 note = {application/pdf},
 pages = {12--14},
 title = {天文学は役に立つか},
 volume = {22},
 year = {1990}
}