You can try these links. They may be of help!
http://www.datappli.com/fedtech.htm
http://www.ipd.anl.gov/carat/1998projects/ucla_results.htm
http://www.path.berkeley.edu/PATH/Research/presentations/kanellakopoulos.pdf
http://ansl.ee.ucla.edu/ancg/ahv/mou124/ykwp9512.abs.html