00520nam a2200181Ia 4500003000900000008004100009020001800050040001600068080001200084100002100096245008900117250001200206260003400218300001400252650001400266650004100280650001700321IN-BaIIA211028s9999    xx            000 0 eng d  a0-205-05679-2  cIIA Library  a52bWYA  aWyatt, Stanley P 0aPrinciples of astronomycStanley P Wyatt                                              a3rd ed.  aBostonbAllyn and Baconc1977  axv, 730p.  aAstronomy  aAstronomy and astrophysics thesaurus  aAstrophysics