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Last edited by ImportBot
August 9, 2012
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The secular variations of the elements of the orbits of the four inner planets computed for the epoch 1850. O.G. M.T.

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4 August 9, 2012
ImportBot
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3 April 14, 2010
Open Library Bot
 Linked existing covers to the edition.    
2 December 14, 2009
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1 April 1, 2008 Imported from Internet Archive item record