TY - RPRT TI - Reconstruction algorithm for polychromatic CT imaging: application to beam hardening correction AU - Yan, C. H. AU - Whalen, R. T. AU - Beaupre, G. S. AU - Yen, S. Y. AU - Napel, S. PY - 2000 UR - https://ntrs.nasa.gov/citations/20040141587 ID - 20040141587 ER -