Recent advances in dynamical astronomy edited by B. D. Tapley and V. Szebehely - Dordrecht : D. Reidel Publishing Company, 1973 - xii, 468 pages : port. ; 25 cm. - Astrophysics and space science library, v.39 e . Includes bibliographies. ISBN: 9027703485 Subjects--Topical Terms: Mechanics, Celestial--Congresses.