1. T. B. Pierce, J. W. Mcmillan, P. F. Peck andI. G. Jones,Nucl. Instr. Methods 118 (1974) 115.
2. C. Olivier, J. W. Mcmillan andT. B. Pierce,ibid. 124 (1975) 289.
3. L. A. Zeiss andE. Heinz,Chem. Eng. Prog. 66 (1970) 68.
4. A. Fertillo andB. Princip,Hydrocarbon Processing 54 (1975) 174.
5. M. J. Bennett, M. R. Houlton, J. W. Mcmillan, C. F. Knights, R. W. M. Hawes andF. C. W. Pummery, International Conference on the Behaviour of High Temperature Alloys in Aggressive Environments, Joint Research Centre, Pettern, The Netherlands, October, 1979.