1. Dorrit Hoffleit: Yale Alumni Magazine, Nov.(1985) 28.
2. D.C. Wang, and S.M. Gong: ‘The historical records of Halley’s comet’. In China, Earth, Moon, and Planets, David Reidel Publ. Comp. 34, 55 (1986)
3. Donald D. Clayton: Principles of Stellar Evolution and Nucleosynthesis (University of Chicago Press, 1968)
4. C.E. Rolfs, and W.S. Rodney: Cauldrons in the Cosmos (University of Chicago Press, 1988)
5. Gordon Baym: Lectures on Quantum Mechanics (W.A. Benjamin, Inc., 1969) pp. 431