Versatile Object-oriented Toolkit for Coarse-graining Applications,
V.Ruehle, C. Junghans, A. Lukyanov, K. Kremer, and D. Andrienko,
[J. Chem. Theo. Comp. 5 (12), 3211 (2009)](http://dx.doi.org/10.1021/ct900369w).
