@article {LapaLevinanomaly19,
	title = {Anomaly indicators for topological orders with $U(1)$ and time-reversal symmetry},
	journal = {Phys. Rev. B},
	volume = {100},
	year = {2019},
	month = {Oct},
	pages = {165129},
	publisher = {American Physical Society},
	doi = {10.1103/PhysRevB.100.165129},
	url = {https://link.aps.org/doi/10.1103/PhysRevB.100.165129},
	author = {Lapa, Matthew F. and Michael Levin}
}
