@article{weko_33450_1,
   author	 = "Kayano,Ichiro",
   title	 = "12. Determination of Origin Times, Epicenters and Focal Depths of Aftershocks of the Niigata Earthquake of June 16, 1964 : A Preliminary Report of the Cooperative Study of Aftershocks of the Niigata Earthquake",
   journal	 = "東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo",
   year 	 = "1968",
   volume	 = "46",
   number	 = "2",
   pages	 = "223--269",
   month	 = "jun"
}