@article{  
   author = {J. Cheng, A. Z. Randall, M. Sweredoski, P. Baldi},
   title = {SCRATCH: a Protein Structure and Structural Feature Prediction Server.},
   journal = {Nucleic Acids Research},
   volume = {33},
   number = {9},
   pages = {W72-76},
   note = {},
   abstract = {},
   keywords = {},
   year = {2005}
}