00258nam a2200109Ia 4500082002000000100002200020245003300042260003500075300002800110500000500138700000500143  a530.1bSt839.CM  aSternberg, Shlomo  aCelestial mechanics; pt. Ib  aNew YorkbW. A. Benjaminc1969  axxi, 158p. Bibl. Index.  a  a