1. Black Holes;Luminet,1992
2. Black Holes & Time Warps – Einstein's Outrageous Legacy;Thorne,1994
3. Gravity's Fatal Attraction – Black Holes in the Universe;Begelman,1998
4. Gravitation;Misner,1973
5. Gravitation and Cosmology: Principles and Applications of the General Theory of Relativity;Weinberg,1977