1. R. M. LAMBRECHT, E. F. NORTON, A. P. WOLF, S. TREVES, presented at the First Intern. Symp. on Radiopharmaceutical Chemistry, Brookhaven National Laboratory, Upton, NY, September 21–24, 1976. See abstract in J. Lab. Cmpds. Radiopharm., 12 (1977) 245.
2. See for example the reviews by G. STOCKLIN, Intern. J. Appl. Radiation Isotopes, 28 (1977) 31.
3. R. M. LAMBRECHT, A. P. WOLF in Radiopharmaceuticals, G. SUBRAMANIAN, B. RHODES, J. COOPER, V. SODD (Eds), Soc. Nucl. Med., New York, 1975, p. 111.
4. R. CANADA, A. C. G. MITCHELL, Phys. Rev., 83 (1951) 955.
5. S. MONARO, Nuovo Cimento, 30 (1963) 1379.