A hummingbird for the L2 lunar libration point
By: by F. O. Vonbun
Contributors: Goddard Space Flight Center; United States. National Aeronautics and Space Administration
Series: NASA technical note -- NASA TN D-4468; NASA technical note -- D-4468
Publisher: National Aeronautics and Space Administration; For sale by Clearinghouse for Federal Scientific and Technical Information, Springfield, Va.
Published: 1968
Place of publication: Washington, D.C
Language: eng
Number of pages: 10
Subjects: Artificial satellites; Libration; Astrodynamics
Other titles: NASA TN D-4468
Notes: Prepared at Goddard Space Flight Center.

"April 1968"--Cover.

Includes bibliographical references (p. 9-10).