I'm wondering if anybody has experience using Fullprof to refine Argonne TOF powder diffraction data which has not been treated to account for the shape of the incident spectrum i.e. not had incident spectrum stripped from raw data. Regards, Brian Mitchell Dr Brian J. Mitchell GRSC IPNS Argonne B360 E205 9700 S. Cass Ave. Argonne 60439-4814 Illinois Tel- (630)-252-5346 Fax-(630)-252-4163 email- [EMAIL PROTECTED]