00474nam a2200181Ia 4500003000900000008004100009020001800050040001600068080001600084100002000100245006200120260003400182300001700216650001600233650001000249650001800259650001500277IN-BaIIA211028s9999    xx            000 0 eng d  a0-7503-0560-6  cIIA Library  a524.882bAL  aAl-Khalili, Jim 0aBlack holes, worm holes and time machinescJim Al-Khalili  aBristolbIOP Publishingc2000  axxiii, 265p.  aBlack holes  aSpace  aTime machines  aWorm holes