22)木下,中井:最果ての星・冥王星の奇妙な運動.天文月報,87,pp.100-107(1994).

23)Kinoshita,H.and Nakai,H.：The motion of pluto over the age of the solar system.In Ferraz-Mello,S.et al.,editor,Dynamics,ephemerides and astrometry in the solar system,pp.61-70.Kluwer Academic publishers,Dordrecht,1995.

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