@article{oai:repository.dl.itc.u-tokyo.ac.jp:00022315,
 author = {石井, 聖光 and 平野, 興彦},
 issue = {4},
 journal = {生産研究},
 month = {Apr},
 note = {application/pdf},
 pages = {189--191},
 title = {研究速報 : 風船の破裂音による残響時間の測定},
 volume = {20},
 year = {1968}
}