McGraw-Hill Education, December 1966 Paperback

Geneva Observatory, 1976

George C. Marshall Space Flight Center, 1990

Springer, 2002

Cambridge University Press, 1982

Observatoire de Besançon, 1976

Wykeham Publications, 1978 Unknown Binding

Wykeham Publications, 1978 Unknown Binding

Dept. of Astronomy, University of Texas at Austin, 1979 Unknown Binding

Sold and distributed in the U.S.A. and Canada, Kluwer Boston, 1982 Paperback

Jackdaw Publications;, 2000 Unknown Binding

Springer Verlag, December 31, 1988 Hardcover

McGraw-Hill, 1966

National Aeronautics and Space Administration, Goddard Space Flight Center, 1980 [microform] /

National Aeronautics and Space Administration, Goddard Space Flight Center, 1982 [microform] /

National Aeronautics and Space Administration, Goddard Space Flight Center, 1981 [microform] /