00477nam a2200169Ia 4500003000900000008004100009020001800050040001600068080001200084100001600096245008100112260003900193300001000232650001400242650004100256650001000297IN-BaIIA211028s9999    xx            000 0 eng d  a0-340-24423-2  cIIA Library  a52bSAG  aSagan, Carl 0aMurmurs of earthcCarl Sagan                                                  aLondonbHodder and Stoughtonc1978  a273p.  aAstronomy  aAstronomy and astrophysics thesaurus  aEarth