00619nam a2200181Ia 4500003000900000008004100009020001800050040001600068080001300084100002500097245007700122260004800199300001300247650004100260942000700301999001500308952011400323IN-BaIIA211028s9999    xx            000 0 eng d  a0-521-29741-9  cIIA Library  aGENbTRE  aTrevitt, John911650 0aBook DesigncJohn Trevitt                                                 aCambridgebCambridge University Pressc1980  aiv, 34p.  aAstronomy and Astrophysics Thesaurus  cBK  c6797d6797  00104070aBANbBANcGENd1981-07-02g27.27l0oGEN/ TREp7558r2021-11-05v27.27w1981-07-02yBKGRs. 27.27