Astrometric observations of comets and asteroids and subsequent orbital investigations
An edition of Astrometric observations of comets and asteroids and subsequent orbital investigations (1987)
semiannual progress report no. 27 for the period 1 November 1986 through 30 April 1987
By Richard E. McCrosky
Publish Date
1987
Publisher
National Aeronautics and Space Administration,National Technical Information Service, distributor
Language
eng
Pages
-