Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) UMEDA Yasuhiro,Observation of Long-Period Seismic Waves at a Short Distance from the Focal Area,Zisin (Journal of the Seismological Society of Japan. 2nd ser.),00371114,SEISMOLOGICAL SOCIETY OF JAPAN,1973,26,4,336-347,https://cir.nii.ac.jp/crid/1390001204304455424,https://doi.org/10.4294/zisin1948.26.4_336