00502nam a2200169Ia 4500003000900000008004100009040001600050080001500066100002100081245008100102260003400183300001400217650004100231650002400272650001100296700002500307IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a521.1bGEY  aGeyling, Franz T 0aIntroduction to orbital mechanicscFranz T. Geyling and H. Robert Westerman.  aReadingbAddison-Wesleyc1971  axv, 349p.  aAstronomy and astrophysics thesaurus  aCelestial mechanics  aOrbits  aWesterman, H. Robert