@article{oai:repository.dl.itc.u-tokyo.ac.jp:00018976, author = {NAKAGIRI, Shigeru and YOSHIKAWA, Nobuhiro and NIWA, Toshiyuki}, issue = {9}, journal = {生産研究}, month = {Sep}, pages = {449--452}, title = {研究速報 : A Note on Finite Element Synthesis of Structures (Part 7) : Formation of Homologous Vibration Mode}, volume = {44}, year = {1992} }