Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Yasuda Masashi,Publication of the Survey Report about the “Trends of Design Technologies for Hydropower Generating Equipment”,IEEJ Transactions on Power and Energy,03854213,The Institute of Electrical Engineers of Japan,2015,135,2,85-88,https://cir.nii.ac.jp/crid/1390282679579442048,https://doi.org/10.1541/ieejpes.135.85