@article{weko_33279_1, author = "渡辺,晃 and 黒磯,章夫", title = "67.岐阜県中部地震-1969年9月9日-の余震について", journal = "東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo", year = "1971", volume = "48", number = "6", pages = "1195--1208", month = "feb" }