@article {1036836,
	title = {Model Order Reduction of Large-Scale Metasurfaces Using a Hierarchical Dipole Approximation},
	journal = {ACS Photonics},
	year = {2016},
	url = {pubs.acs.org/doi/abs/10.1021/acsphotonics.6b00568},
	author = {M. Salary and A. Forouzmand and Hossein Mosallaei}
}
