TY - RPRT TI - Spektr: a computational tool for x-ray spectral analysis and imaging system optimization. AU - J H Siewerdsen AU - A M Waese AU - D J Moseley AU - S Richard AU - D A Jaffray PY - 2004 DO - 10.1118/1.1758350 UR - https://pubmed.ncbi.nlm.nih.gov/15587659/ ID - 15587659 ER -