B Yan, S Zhang, Topological materials, RPP 75, 096501 (2012)
R Winkler, Spin-orbit Coupling Effects in Two-Dimensional Electron and Hole Systems (Springer, 2003)
U Grimm, M Schreiber, Energy spectra and eigenstates of quasiperiodic tight-binding Hamiltonians, cond-mat/0212140 (2002)
V Heine, Electronic structure from the point of view of the local atomic environment, Solid State Physics 35, 1 (1980)