dear A.J.Teachout, Hello,how are you.thanks alot about your respond according to my request about the neutron spectroscopy.Iam using UNFOLDING TEQUNIQUE for th e 213 NE-scintillator which is using for neutorn detection.this programme help me to analysis the neuton spectrum.If you can provide me with this software,it would solve my problem. yours sincerely, Huss M.