Somerville, Mary, 1780-1872. Mechanism of the heavens / Mary Somerville, Pierre Simon Marquis De Laplace. - Cambridge : Cambridge University Press, 2009. - lxx, 621, [3] p. : ill. ; 22 cm. - Cambridge library collection . - Cambridge library collection. . A digitally printed version of the 1831 edition. ISBN: 1108001572 (pbk.) 9781108001571 (pbk.) Subjects--Topical Terms: Celestial mechanics. Dewey Class. No.: 521 / SOM 2009