1. in : Essays in Nuclear Astrophysics, Cambridge University Press, Cambridge (England) 1982, p. 355.
2. Abundances of the Elements
3. in : Essays in Nuclear Astrophysics. Cambridge University Press, Cambridge (England) 1982, p. 29.
4. in : Essays in Nuclear Astrophysics, Cambridge University Press, Cambridge (England) 1982, p. 65.
5. Theory of the Origin and Relative Abundance Distribution of the Elements