@article {issack2007geometric,
	title = {Geometric constraints in semiclassical initial value representation calculations in Cartesian coordinates: Excited states},
	journal = {The Journal of chemical physics},
	volume = {126},
	number = {2},
	year = {2007},
	pages = {024111},
	publisher = {American Institute of Physics},
	author = {Issack, Bilkiss B and Roy, Pierre-Nicholas}
}
