00744nam a2200205Ia 4500003000900000008004100009020001800050040001600068080002500084110005000109245010800159260004500267300001500312650001800327650004100345650002200386942000700408999001500415952010800430IN-BaIIA211028s9999    xx            000 0 eng d  a0-309-03334-9  cIIA Library  a52(047)"1980"bNRC-2  aUnited States. National Research Council9489 0aAstronomy and astrophysics for the 1980'scNational Research Council                                     aWashingtonbNational Academy Pressc1983  axxi, 441p.  aAstronomy980  aAstronomy and astrophysics thesaurus  aAstrophysics9794  cBK  c8134d8134  00104070aBANbBANcGENd1985-03-13l0o52(047)"1980"/ NRC-2p8972r2021-11-05w1985-03-13yBK 30.25