Verlag: GPO, Washington, DC, 1963
Anbieter: Ground Zero Books, Ltd., Silver Spring, MD, USA
Zustand: fair to good. Quarto, 206, wraps, tables, pencil notes on title page & on card in front of title pg, part of front card cut off, pencil name on front cover. Some soiling to covers. Tables compiled to facilitate the computation of orbits of spectroscopic and visual binaries and of small planetary objects such as asteroids and satellites.