1. I. F. Ferguson, Scripta Met. (this issue).
2. Intern. Conf. on Radiation-Induced Voids in Metals;Wiffen,1971
3. Void formation during annealing of irradiated molybdenum
4. Void nucleation during electron irradiation
5. The Production of Voids in Cobalt During Ion Bombardment and Electron Irradiation;Manthorpe,1971