@article{oai:tsukuba.repo.nii.ac.jp:00015068,
 author = {Fukui, Takahiro and 初貝, 安弘 and HATSUGAI, Yasuhiro},
 issue = {12},
 journal = {Physical review B},
 month = {Mar},
 title = {Topological aspects of the quantum spin-Hall effect in graphene: Z2 topological order and spin Chern number},
 volume = {75},
 year = {2007},
 yomi = {ハツガイ, ヤスヒロ}
}