Scottish Universities' Summer School in Physics University of Stirling, Carson, T. R., & Roberts, M. J. (1972). Atoms and molecules in astrophysics: Proceedings of the twelfth session of the Scottish Universities Summer School in physics, 1971. Academic Press.

Scottish Universities' Summer School in Physics University of Stirling, T. R. Carson, và M. J. Roberts. Atoms and Molecules in Astrophysics: Proceedings of the Twelfth Session of the Scottish Universities Summer School in Physics, 1971. London, New York: Academic Press, 1972.

Scottish Universities' Summer School in Physics University of Stirling, et al. Atoms and Molecules in Astrophysics: Proceedings of the Twelfth Session of the Scottish Universities Summer School in Physics, 1971. Academic Press, 1972.