Richard Prager
Richard A. Prager (November 30, 1883 – July 20, 1945) was a German-American astronomer. Provided by Wikipedia-
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Published 1909Berlin, F. Dümmler, 1909.29 p. tables. 24 cm. -
2by Prager, Richard, 1883-1945### CRL customization ### ?> ### Add publisher and desc details ### ?>
Published 1908Berlin : Buchdr. A.W. Schade, [1908]29 p. ; 26 cm.