TY - BOOK ED - National Council on Radiation Protection and Measurements TI - Calibration of survey instruments used in radiation protection for the assessment of ionizing radiation fields and radioactive surface contamination : recommendations of the National Council on Radiation Protection and Measurements SN - 0929600231 AV - TK9180 .N37 1991 U1 - 539.77 CAL 1991 20 PY - 1991/// CY - Bethesda, MD PB - NCRP KW - Radiation KW - Dosage KW - Reporting KW - Nuclear counters KW - Calibration N1 - Includes bibliographical references (p. 182-189) and index; NCRP report no 113."Exposure criteria for medical diagnostic ultrasound : I, Criteria based on thermal mechanisms"-- NCRP report no 104."Maintaining radiation protection records" ER -