00503nam a2200169Ia 4500003000900000008004100009020001800050040001600068080001700084100002000101245010500121260003900226300001000265650001400275650002500289650001900314IN-BaIIA211028s9999    xx            000 0 eng d  a0-486-26659-1  cIIA Library  a524.834bGIB  aGibilisco, Stan 0aUnderstanding Einstein's theories of relativitybman's new perspective on the cosmoscStan Gibilisco  aNew YorkbDover Publicationsc1991  a200p.  aCosmology  aRelativity (Physics)  aSpace and time