1. A Maximum Opacity Theorem.
2. Bernstein, J. & Dyson, F. J. 1959, The Continuous Opacity and Equations of State of Light Elements at Low Densities (General Atomic Report GA-848, unpublished)
3. Bond, J. W, Jr., Watson, K. W. & Welch, J. A., Jr. 1965, Atomic Theory of Gas Dynamics (Reading: Addison-Wesley), 371
4. Chandrasekhar, S. 1958, The Introduction to the Study of Stellar Structure (New York: Dover)
5. Dyson, G. B. 2002, Project Orion (New York: Henry Holt)