TY - BOOK ED - International Atomic Energy Agency. TI - International directory of radioisotopes U1 - 621.4837 23 PY - 1962/// CY - Vienna PB - International Atomic Energy Agency. KW - Radioisotopes N1 - Include Index; Pt.-1.--unprocessed and processed radioisotope preparations and special radiation sources. Pt.-2.--compounds of carbon-14, Hydrogen-3, iodine-131, phosphorus-32 and sulphur-35 ER -