00443nam a2200145Ia 4500003000900000008004100009020001800050040001600068080001500084110001500099245010300114260002900217300001000246650004100256IN-BaIIA211028s9999    xx            000 0 eng d  a0-7166-6693-6  cIIA Library  a03bWBE-17  aWorld Book 4aThe world book encyclopediabvol. 17cWorld Book, Inc.                                              aLondonbWorld Bookc1993  a526p.  aAstronomy and Astrophysics Thesaurus