you can get the new html file from http://lepton.bu.edu/~heintz/py482.html

        Ulrich

-- 
    Ulrich Heintz                                     
    Department of Physics, Boston University      phone:  (617) 353 9057
    590 Commonwealth Avenue                       fax:    (617) 353 9393
    Boston, MA 02215                              e-mail: heintz@bu.edu