00448nam a2200145Ia 4500003000900000008004100009040001600050080001500066100001900081245009800100260003000198300001500228650001800243650004100261IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a521.1bROY  aRoy, Archie E. 4aThe foundations of astrodynamicscArchie E.  Roy                                               aNew YorkbMacmillanc1965  axiv, 385p.  aAstrodynamics  aAstronomy and astrophysics thesaurus