@article {Xian2014,
	title = {Approximate treatment of semicore states in GW calculations with application to Au clusters},
	journal = {Journal of Chemical Physics},
	volume = {140},
	number = {12},
	year = {2014},
	month = {mar},
	pages = {124101},
	doi = {10.1063/1.4868439},
	author = {Xian, Jiawei and Baroni, Stefano and Umari, P.}
}
