著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Borcherdt, R.D. and Geological Survey (U.S.) and United States. Department of housing and urban development. office of policy development and research",Studies for seismic zonation of the San Francisco bay region,,United States Government Printing Office,1975,Geological Survey professional paper,,,,https://cir.nii.ac.jp/crid/1130282269659244672