1. R. E. Jervis, Proc 7th Japan Conf. on Radioisotopes, Tokyo, 1966, p. 455.
2. R. E. Jervis, Proc. Symp. on Nuclear Activation Techniques in the Life Sciences, IAEA, Vienna, 1967, p. 645.
3. V. P. Guinn, Proc. 7th Japan Conf. on Radioisotopes, Tokyo, 1966.
4. V. P. Guinn, Proc. Symp. on Nuclear Activation Techniques in the Life Sciences, IAEA, Vienna, 1967, p. 681.
5. J. M. A. Lenihan, H. A. Smith, Proc. Intern. Conf. on Peaceful Uses of Atomic Energy, Geneva, 1969.