Sun earth and man : the need to know the quest for knowledge of sun-earth relations /
Stafford, Edward Paery.
Sun earth and man : the need to know the quest for knowledge of sun-earth relations / Edward Peary Stafford. - Washington, D.C. : National Aeronautics and Space Administration, 1982. - 75p. : ill. ; 28cm. - NASA EP; 172. .
Bibliography: p.74-75
Outer space--Exploration.
Sun--Observations.
Sun earth and man : the need to know the quest for knowledge of sun-earth relations / Edward Peary Stafford. - Washington, D.C. : National Aeronautics and Space Administration, 1982. - 75p. : ill. ; 28cm. - NASA EP; 172. .
Bibliography: p.74-75
Outer space--Exploration.
Sun--Observations.