@article{oai:tsukuba.repo.nii.ac.jp:00016705, author = {岡田, 晋 and OKADA, Susumu}, issue = {23}, journal = {Physical review B}, month = {Jun}, title = {Energetics of carbon peapods: Elliptical deformation of nanotubes and aggregation of encapsulated C60}, volume = {77}, year = {2008}, yomi = {オカダ, ススム} }