Aoki, H.Kagoshima, S.Koshino, M.Kuroki, K.Osada, T.2004-12-102004-12-1020012001http://hdl.handle.net/2003/1827610.17877/DE290R-12453enThe American Physical SocietyPhysical Review Letters530Hofstadter Butterfly and Integer Quantum Hall Effect in Three Dimensions10.1103/PhysRevLett.86.1062article (journal)