@article{oai:soar-ir.repo.nii.ac.jp:00013482,
 author = {Natsuki,  T and Ni,  QQ and Endo,  M},
 issue = {12},
 journal = {CARBON},
 month = {Oct},
 pages = {1570--1573},
 title = {Analysis of the vibration characteristics of double-walled carbon nanotubes},
 volume = {46},
 year = {2008}
}