TY - BOOK ED - International Commission on Radiation Units and Measurements TI - Dosimetry of external beta rays for radiation protection SN - 0913394556 U1 - 612.01448 DOS 1997 PY - 1997/// CY - Bethesda, Md. PB - International Commission on Radiation Units and Measurements KW - Beta rays KW - Measurement KW - Radiation dosimetry KW - Adverse effects KW - Radiation dosage KW - Radiation protection KW - Radiometry KW - Methods N1 - "Issued 5 January 1997."; Includes bibliographical references (p. 111-126) and index ER -