00469nam a2200157Ia 4500003000900000008004100009020001800050040001600068080001200084100002000096245009300116260003400209300001500243650004100258650001200299IN-BaIIA211028s9999    xx            000 0 eng d  a0-19-851979-6  cIIA Library  a53bBAR  aBarrow, John D. 4aThe world within the worldcJohn D. Barrow                                                aOxfordbClarendon Pressc1988  axiv, 398p.  aAstronomy and astrophysics thesaurus  aPhysics