1. Symp. on Lubrication in Hostile Environments;Todd,1968
2. N.J. Hoffman, D.E. Goggin and J.J. Droher, LMEC-70-10.
3. J.J. Droher and N.J. Hoffman, LMEC-71-7.
4. Proc. Intern. Conf. on Liquid Metal Technology in Energy Production;Johnson,1976
5. C.S. Campbell, private communication (1978).