@article{weko_33411_1, author = "田中,貞二 and 長田,甲斐男", title = "74.八戸市内の各種地盤上における十勝沖地震の余震および常時微動の観測結果", journal = "東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo", year = "1969", volume = "46", number = "6", pages = "1461--1478", month = "mar" }