@article {411,
	title = {Modeling Physical Systems by Effective Harmonic Oscillators: The Optimized Quadratic Approximation},
	journal = {The Journal of Chemical Physics},
	volume = {102},
	number = {8},
	year = {1995},
	pages = {3337-3348},
	keywords = {HARMONIC OSCILLATORS OPTIMIZATION MATHEMATICS MAPPING POTENTIAL ENERGY MANYBODY PROBLEM TEMPERATURE DISTRIBUTION PARTITION FUNCTIONS RENORMALIZATION},
	doi = {10.1063/1.469207},
	author = {Jianshu Cao and Gregory A. Voth}
}
