TY - GEN AU - P Lamperti AU - M O'brien C2 - - 250-58, National Institute of Standards and Technology, Gaithersburg, MD DA - 2001-01-01 DO - https://doi.org/10.6028/NIST.SP.250-58 LA - en PB - - 250-58, National Institute of Standards and Technology, Gaithersburg, MD PY - 2001 TI - Calibration of X-Ray and Gamma-Ray Measuring Instruments ER -