Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) YASUDA Kimihiko and YE Jianrui,A nonparametric identification technique for nonlinear multi-degree-of-freedom vibratory systems.,TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C,03875024,The Japan Society of Mechanical Engineers,1990,56,526,1386-1393,https://cir.nii.ac.jp/crid/1390001206295572224,https://doi.org/10.1299/kikaic.56.1386