@article {li2008quantum,
	title = {QUANTUM MONTH CARLO PREDICTION OF VIBRATIONAL FREQUENCY SHIFTS OF $(${$$\backslash$rm He$}$) _N $-CO $ _2 $ CLUSTERS},
	year = {2008},
	publisher = {Ohio State University},
	author = {Li, Hui and Le Roy, Robert J and Blinov, Nicholas and Roy, Pierre-Nicholas}
}
