Trackers of the skies,
Hayes, Eugene Nelson, 1920-
Trackers of the skies, by E. Nelson Hayes. - Cambridge, Mass., H. A. Doyle Pub. Co. [1968] - xiii, 169 p. illus. 24 cm.
Bibliography: p. 166-169.
Smithsonian Institution. Astrophysical Observatory.
Artificial satellites--Tracking.
TL796.6.E2 / H3 1968
629.43/7
Trackers of the skies, by E. Nelson Hayes. - Cambridge, Mass., H. A. Doyle Pub. Co. [1968] - xiii, 169 p. illus. 24 cm.
Bibliography: p. 166-169.
Smithsonian Institution. Astrophysical Observatory.
Artificial satellites--Tracking.
TL796.6.E2 / H3 1968
629.43/7