@article {li2009path,
	title = {Path-integral Monte Carlo simulation of ν 3 vibrational shifts for CO 2 in (He) n clusters critically tests the He{\textendash}CO 2 potential energy surface},
	journal = {The Journal of chemical physics},
	volume = {130},
	number = {14},
	year = {2009},
	pages = {144305},
	publisher = {American Institute of Physics},
	author = {Li, Hui and Blinov, Nicholas and Roy, Pierre-Nicholas and Le Roy, Robert J}
}
