1. The return of mass and energy to the interstellar medium by winds from early-type stars
2. Castor, J. I. 1993, in ASP Conf. Ser. 35, Massive Stars: Their Lives in the Interstellar Medium, ed. J. P. Cassinelli & E. B. Churchwell (San Francisco: ASP), 297
3. Winds in central stars of planetary nebulae
4. Dyson, J. E. & Williams, D. A. 1980, Physics of the Interstellar Medium (New York: John Wiley & Sons), 145