Explanation of an expedient method to calculate the absolute perturbations of the minor planets. [196-?]

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Explanation of an expedient method to calculate the absolute perturbations of the minor planets. [196-?]

89 leaves ; 28 cm.

eng,

ger,

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Clemence, Gerald M. (Gerald Maurice), 1908-

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Clemence (1908-1974). Astronomer (Research on motions of planets; introduced measurement of time by means of orbital motions of moon and erth; defined second as fraction of year instead of day). Astronomer, U. S. Naval Observatory, Washington, DC, 1930-1963: Director Nautical Almanac, 1948-1958, science director, 1958-1963; senior researcher associate, lecturer, Dept. of Astronomy, Yale University, 1963-1966, Professor of Astronomy, 1966-. From the description of Papers. (Unknown). W...

Hansen, P. A. (Peter Andreas), 1795-1874

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