Relative entropy and optimization-driven coarse-graining methods in VOTCA,
S.Y. Mashayak, M. Jochum, K. Koschke, N.R. Aluru, V. Ruehle, and C. Junghans,
[PLoS one 10, e131754 (2015)](http://dx.doi.org/10.1371/journal.pone.0131754).
