Black holes and baby universes and other essays
Hawking, Stephen
Black holes and baby universes and other essays - New York, Estados Unidos de América : Bantam Books, 1993 - 182 p.
0-553-09523-4
Black holes and baby universes and other essays - New York, Estados Unidos de América : Bantam Books, 1993 - 182 p.
0-553-09523-4