AUTHOR=Vaia Ruggero TITLE=Commentary on “Force-field functor theory: classical force-fields which reproduce equilibrium quantum distributions” JOURNAL=Frontiers in Chemistry VOLUME=1 YEAR=2013 URL=https://www.frontiersin.org/journals/chemistry/articles/10.3389/fchem.2013.00034 DOI=10.3389/fchem.2013.00034 ISSN=2296-2646