1. Sixth Intern. Conf. Plasma-Surface-1nteraction in Controlled Fusion Devices,1984
2. Thirteenth Symp. on Fusion Technology,1984
3. R. Bullough. these Proceedings.
4. G.R. Odette: these Proceedings.
5. See. e.g., K. Farrell, P.J. Maziasz, E.H. Lee and L.K. Mansur in ref. [6]. p. 277.