B. G. Marsden Harvard-Smithsonian Center for Astrophysics Cambridge, MA 02138, U.S.A. !AU Symposium No. 81, "Dynamics of the Solar System", was held at the Hydrographic Office, Tokyo, Japan, during 23-26 May 1978. The Sym- posium was cosponsored by COSPAR and IUTAM, and generous financial sup- port was also provided by the Japan Society for the Promotion of Science. !AU sponsorship was through Commissions 4, 7 and 20, and the Scientific Organizing Committee consisted of the current Presidents, Vice Presi- dents and immediate Past Presidents of these Commissions: V. K. Abalakin, R. L....
B. G. Marsden Harvard-Smithsonian Center for Astrophysics Cambridge, MA 02138, U.S.A. !AU Symposium No. 81, "Dynamics of the Solar System", was held a...