@article {5778,
	title = {Assessment of n-electron valence state perturbation theory for vertical excitation energies},
	journal = {Journal of Chemical Theory and Computation},
	volume = {9},
	year = {2013},
	note = {Cited By :15Export Date: 25 January 2016},
	month = {2013},
	pages = {3567 - 3580},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84882423819\&partnerID=40\&md5=44882097a98e464172307bee840aaa5f},
	author = {Schapiro, I. and Sivalingam, K. and Neese, F.}
}
