00705nam a2200205Ia 4500003000900000008004100009020001800050040001600068080001200084110005000096245012000146260004500266300001500311650001800326650002200344650002000366942000700386999001700393952008900410IN-BaIIA211028s9999    xx            000 0 eng d  a0-309-04381-6  cIIA Library  a52bNAT  aUnited States. National Research Council9489 4aThe decade of discovery in astronomy and astrophysicscNational Research Council                                     aWashingtonbNational Academy Pressc1991  axvi, 181p.  aAstronomy980  aAstrophysics9794  aDiscovery93616  cBK  c11553d11553  00104070aBANbBANcGENd1995-11-02l0o52/ NATp12468r2021-11-05w1995-11-02yBK