@article {775, title = {Solvent Free Ionic Solution Models from Multiscale Coarse-Graining}, journal = {J Chem Theory Comput}, volume = {9}, year = {2013}, pages = {172-178}, doi = {10.1021/ct3007277}, author = {Cao, Z. and J. F. Dama and Lu, L. and G. A. Voth} }