Kreshna Gopal Tod D. Romo James C. Sacchettini Thomas R. Ioerger Weighting Features to Recognize 3D Patterns of Electron Density in X-Ray Protein Crystallography. 255-265 2004 conf/csb/2004 CSB http://doi.ieeecomputersociety.org/10.1109/CSB.2004.167 db/conf/csb/csb2004.html#GopalRSI04