Francisco Torrens José Sánchez-Marín Ignacio Nebot-Gil New dimension indices for the characterization of the solvent-accessible surface. 477-487 2001 22 Journal of Computational Chemistry 5 http://dx.doi.org/10.1002/1096-987X(20010415)22:5<477::AID-JCC1019>3.0.CO;2-J db/journals/jcc/jcc22.html#TorrensSN01