Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) WATANABE Takeshi,Steady Impact Vibration of Continuous Elements : Case of Colliding Once in a Half Cycle,Bulletin of JSME,0021-3764,The Japan Society of Mechanical Engineers,1981,24,187,222-228,https://cir.nii.ac.jp/crid/1390282681470197632,https://doi.org/10.1299/jsme1958.24.222