@article {430, title = {The Multiscale Challenge for Biomolecular Systems: Coarse-grained Modeling}, journal = {Mol. Sim.}, volume = {32}, year = {2006}, pages = {211-218}, doi = {10.1080/08927020600612221}, author = {Chu, J. W. and Izvekov, S. and G. A. Voth} }