cpc.bibBibDesk235MacKerel Jr., A.D.Brooks III, C.L.Nilsson, L.Roux, B.Won, Y.Karplus, M.CHARMM: The Energy Function and Its Parameterization with an Overview of the ProgramThe Encyclopedia of Computational Chemistry1271-277John Wiley \& Sons: Chichester1998inbook17/09/2008