TY - BOOK ED - International symposium on methods of lowlevel counting and spectrometry TI - Methods of lowlevel counting and spectrometry: proceedings of a symposium Berlin (West) 6-10 pril 1981 T2 - Proceeding series SN - 9200300812 U1 - RG 061.3: 539.12.08 In 8 PY - 1981/// CY - Vienna PB - Internacional Atomic Energy Agency KW - ESPECTROMETR� A DE RESONANCIA MAGNÉTICA NUCLEAR KW - RADIACION GAMMA KW - CONTEO DE RADIOCARBONO ER -