(Q51455115)
Statements
Celestial mechanics. A survey of the status of the determinationof the general perturbations of the minor planets (English)
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Leuschner, Armin Otto, 1868-
National Research Council (U.S.). Committee on Celestial Mechanics.
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unknown value
Published by the National research council of the National academy of sciences
Washington, D. C
1922
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