1. V. Viola and G. Seaborg, Nuclear Systematics of the Heavy Elements. Energetics and Masses (in the press).
2. V. Viola and G. Seaborg, Nuclear Systematics of the Heavy Elements Lifetimes for Alpha, Beta, and Spontaneous Fission Decay (in the press).
3. V. Viola and B. Wilkins, Fission Barriers and Half-Lives of the Trans-Radium Elements (in the press).
4. A. Ghiorso et al., Phys. Rev. Letters,1, 18 (1958).
5. R. Macfarlane and R. Griffioen, Nucl. Instrum. and Methods,24, 461 (1963).