A Dying Universe: the Long-term Fate and Evolution of Astrophysical Objects, Adams, Fred C. and Laughlin, Gregory, Reviews of Modern Physics69, #2 (April 1997), pp. 337–372. Bibcode:1997RvMP...69..337A. doi:10.1103/RevModPhys.69.337.
A Dying Universe: the Long-term Fate and Evolution of Astrophysical Objects, Adams, Fred C. and Laughlin, Gregory, Reviews of Modern Physics69, #2 (April 1997), pp. 337–372. Bibcode:1997RvMP...69..337A. doi:10.1103/RevModPhys.69.337.