@article{oai:repository.dl.itc.u-tokyo.ac.jp:00033262,
 author = {堀, 実},
 issue = {1-3},
 journal = {東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo},
 month = {Sep},
 note = {application/pdf},
 pages = {85--95},
 title = {7.近地地震におけるP時刻とS-P時間との関係について},
 volume = {49},
 year = {1971}
}