00569nam a2200193Ia 4500003000900000008004100009020001800050040001600068080001500084100001700099245009500116250001200211260004800223300001000271650003000281650001300311650002600324650002500350IN-BaIIA211028s9999    xx            000 0 eng d  a0-521-29180-1  cIIA Library  a521.9bSMA  aSmart, W. M. 0aTextbook on spherical astronomycW. M. Smart                                                a6th ed.  aCambridgebCambridge University Pressc1977  a431p.  aOccultations and Eclipses  aParallox  aSpherical Trignometry  aThe Celestial Sphere