Interim definitive orbit for the satellite 1959-ETA, Vanguard III.

APA Citation

Goddard Space Flight Center. (1959). Interim definitive orbit for the satellite 1959-ETA, Vanguard III. Washington: Theory and Analysis Staff, Tracking and Data Systems, Goddard Space Flight Center, National Aeronautics and Space Administration.

MLA Citation

Goddard Space Flight Center. Interim Definitive Orbit for the Satellite 1959-ETA, Vanguard III. Washington: Theory and Analysis Staff, Tracking and Data Systems, Goddard Space Flight Center, National Aeronautics and Space Administration, 1959.