@article {10003,
	title = {Topological classification of crystalline insulators with space group symmetry},
	journal = {Physical Review B - Condensed Matter and Materials Physics},
	year = {2013},
	doi = {10.1103/PhysRevB.88.085110},
	author = {Priyamvada Jadaun and Di Xiao and Qian Niu and Sanjay K. Banerjee}
}
