1. J. R. CATCH, Radiotracer Tecniques and Applications, E. A. EVANS, M. MURAMATSU (eds), Marcel Dekker Inc., New York and Basel, 1977, Chapter 5, p. 129.
2. W. J. LE QUESNE, Ann. Rep. Prog. Appl. Chem., (1977) 584.
3. R. J. BAYLY, E. A. EVANS, J. S. GLOVER, J. L. RABINOWITZ, Radiopharmacy, M. TUBIS, W. WOLF (Eds), John Wiley & Sons Inc., New York, 1976, Chapter 13, p. 303.
4. E. A. EVANS, Tritium and Its Compounds, 2nd edn, Butterworths, London, 1974, Chapter 4, p. 238.
5. Special Publication;E. A. Evans,1980