Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Akira Takeshima and Yoshimura Kei,The research on the validity of plan rainfall duration of A-class rivers in Japan,Proceeding of Annual Conference,,THE JAPAN SOCIETY OF HYDROLOGY AND WATER RESOURCES,2017,30,0,40,https://cir.nii.ac.jp/crid/1390282680690418816,https://doi.org/10.11520/jshwr.30.0_40