@article {496,
	title = {A Derivation of Centroid Molecular Dynamics and Other Approximate Time Evolution Methods for Path Integral Centroid Variables},
	journal = {The Journal of Chemical Physics},
	volume = {111},
	number = {6},
	year = {1999},
	pages = {2371-2384},
	keywords = {molecular dynamics method Liouville equation perturbation theory},
	doi = {10.1063/1.479515},
	author = {Jang, Seogjoo and Gregory A. Voth}
}
