00725nam a2200229Ia 4500003000900000008004100009020002200050040001600072080001700088100002700105245006200132250001200194260003200206300001600238650002200254650001600276650001700292650001500309942000700324999001700331952014700348IN-BaIIA211028s9999    xx            000 0 eng d  a978-1-4398-8559-8  cIIA Library  a524.882bALK  aAl-Khalili, Jim926326 0aBlack holes, wormholes, and time machinescJim Al-Khalili  a2nd ed.  aBoca RatonbCRC Pressc2012  axxii, 184p.  aBlack holes97728  aSpace93725  aThe Universe  aTime92741  cBK  c18345d18345  00104070aBANbBANcGENd2012-08-28eBB    g2272.67l1o524.882/ ALKp19267r2025-09-13s2025-05-31v2272.67w2012-08-28yBKGRs. 2272.67