00637nam a2200205Ia 4500003000900000008004100009020001800050040001600068080001200084100002100096245006400117260003100181300001400212650001800226650004100244700002100285942000700306999001500313952010300328IN-BaIIA211028s9999    xx            000 0 eng d  a0-85274-292-4  cIIA Library  a52bROY  aRoy, A. E.99627 0aAstronomybprinciples and practicecA. E. Roy and D. Clarke  aBristolbAdam Hilgerc1977  axv, 342p.  aAstronomy980  aAstronomy and astrophysics thesaurus  aClarke, D.99628  cBK  c5536d5536  00104070aBANbBANcGENd1977-08-25l1m1o52/ ROYp6191r2023-12-11s2023-08-17w1977-08-25yBK