Book ReviewsPhysics and Mathematics

Astrophysics: A Topical Symposium. Commemorating the fiftieth anniversary of the Yerkes Observatory and a half-century of progress in astrophysics. J. A. Hynek, Ed. New York: McGraw-Hill, 1951. 703 pp. $12.00

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Science  18 Apr 1952:
Vol. 115, Issue 2990, pp. 422-424
DOI: 10.1126/science.115.2990.422-a
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