00497nam a2200169Ia 4500003000900000008004100009020001800050040001600068080001600084100001700100245011100117260003700228300001400265650002000279650001700299650001100316IN-BaIIA211028s9999    xx            000 0 eng d  a0-387-94793-0  cIIA Library  a523.64bSCH  aSchaaf, Fred 0aComet of the centurybfrom Halley to Hale-BoppcFred Schaaf                                                 aNew YorkbCopernicus Booksc1997  axv, 384p.  aComet Hale-Bopp  aComet Halley  aComets