Shobha Potluri Aly Azeem Khan A. Kuzminykh Janusz M. Bujnicki Alan M. Friedman Chris Bailey-Kellogg Geometric Analysis of Cross-Linkability for Protein Fold Discrimination. 447-458 2004 conf/psb/2004 Pacific Symposium on Biocomputing http://helix-web.stanford.edu/psb04/potluri.pdf db/conf/psb/psb2004.html#PotluriKKBFB04