TY - RPRT TI - Primary Attenuation Intermediate Frequency Substitution Calibration Method. AU - Kypta, Timothy AU - Sandoval, Ricky AU - Hale, William AU - Martin, Edward PY - 2022 DO - 10.2172/2004771 UR - https://www.osti.gov/biblio/2004771 ID - 2004771 ER -