National Research Council; Division on Engineering and Physical Sciences; Space Science Board; Task Group on Astronomy and Astrophysics; Leo A. Orleans

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[PDF] Astronomy and Astrophysics : Space Science in the Twenty-First Century — Imperatives for the Decades 1995 To 2015 National Research Council; Division on Engineering and Physical Sciences; Space Science Board; Task Group on Astronomy and Astrophysics; Leo A. Orleans