00577nam a2200181Ia 4500003000900000008004100009040001600050080001200066100002000078245013900098260003200237300001000269650001400279650004100293650001300334700002400347700002400371IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a52bHYN  aHynek, Allen J. 0aChallenge of the universeba vistas of science bookcAllen J. Hynek and Norman.D. Anderson                                              aNew YorkbMcGraw-Hillc1962  a143p.  aAstronomy  aAstronomy and Astrophysics Thesaurus  aUniverse  aAnderson, Norman.D.  aAnderson, Norman.D.