Scott, Superb! I will be very eager to see the results of this sociology/statistics study. I'll probably participate and I strongly encourage others to do the same so that Scott can get some decent stats. B P.S. You can discourage the wiki from turning "Fe2O3" into a link by prepending an explanation point: "!Fe2O3". -- Bruce Ravel ---------------------------------------------- bravel@anl.gov Molecular Environmental Science Group, Building 203, Room E-165 MRCAT, Sector 10, Advance Photon Source, Building 433, Room B007 Argonne National Laboratory phone and voice mail: (1) 630 252 5033 Argonne IL 60439, USA fax: (1) 630 252 9793 My homepage: http://cars9.uchicago.edu/~ravel EXAFS software: http://cars9.uchicago.edu/~ravel/software/