Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) ANDERSON J. C.,Effects of Gravity Loads and Vertical Ground Acceleration on the Seismic Response of Multistory Frames,Proceedings of 5th-WCEE,,,1974,2,,2914-2923,https://cir.nii.ac.jp/crid/1573105974209120640,