00530nam a2200181Ia 4500003000900000008004100009020001800050040001600068080001500084100001700099245008800116260004800204300001400252650001700266650002100283650002000304650002400324IN-BaIIA211028s9999    xx            000 0 eng d  a0-521-31779-7  cIIA Library  a521.9bGRE  aGreen, R. M. 0aSpherical astronomycR. M. Green                                                     aCambridgebCambridge University Pressc1985  axiv, 520p  aBinary stars  aCelestial sphere  aRadio Astronomy  aSpherical astronomy