Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kuwana Yusuke and Kato Kuranoshin,Synoptic climatological analyses on the seasonal variation of cyclone activity around the northwestern Europe,Journal of Systematic Regional Geography,2187-8277,The Society for Systematic Regional Geography,2020,25,1,1-19,https://cir.nii.ac.jp/crid/1390004222633980160,https://doi.org/10.24580/cck.25.1_1