TY - CONF AU - J Seely AU - Lawrence Hudson AU - J. Weaver AU - G Holland AU - C Boyer C2 - Proceedings of the SPIE conference on Penetrating Radiation Systems and Applications IV, Undefined DA - 2002-07-11 00:07:00 LA - en PB - Proceedings of the SPIE conference on Penetrating Radiation Systems and Applications IV, Undefined PY - 2002 TI - X-Ray Spectroscopy and Calibrations in the 50 eV to 60 keV Range ER -