Stein, R. (1966). Stellar evolution: Proceedings of an international conference, November 13-15, 1963, sponsored by the institute for space studies of the goddard space flight center, NASA. Plenum Press.

Stein, R.F. Stellar Evolution: Proceedings of an International Conference, November 13-15, 1963, Sponsored by the Institute for Space Studies of the Goddard Space Flight Center, NASA. New York: Plenum Press, 1966.

Stein, R.F. Stellar Evolution: Proceedings of an International Conference, November 13-15, 1963, Sponsored by the Institute for Space Studies of the Goddard Space Flight Center, NASA. Plenum Press, 1966.