1. V. P. GUINN, Production and Use of Short-lived Radioisotopes from Reactors, 2, IAEA, Vienna, 1963, p. 3.
2. H. P. YULE, V. P. GUINN, Radiochemical Methods of Analysis, 2, IAEA, Vienna, 1965, p. 111.
3. F. GRASS, Proc. 4th Int. Conf. on Nuclear Methods in Environmental and Energy Research, 1980, p. 337.
4. D. A. MILLER, Nucl. Instr. Methods, 159 (1979) 109.
5. W. D. JAMES, J. A. OYEDELE, J. Radioanal. Nucl. Chem., in press.