@article {schmidt2014inclusion,
	title = {Inclusion of trial functions in the Langevin equation path integral ground state method: Application to parahydrogen clusters and their isotopologues},
	journal = {The Journal of chemical physics},
	volume = {140},
	year = {2014},
	pages = {234101},
	publisher = {AIP},
	author = {Schmidt, Matthew and Constable, Steve and Ing, Christopher and Roy, Pierre-Nicholas}
}
