↑Yeomans, Donald K., „332 Siri“, JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, Посетено на 2013-03-25.
↑Warner, Brian D. (December 2007), „Initial Results of a Dedicated H-G Project“, Bulletin of the Minor Planets Section of the Association of Lunar and Planetary Observers, 34, стр. 113–119, Bibcode:2007MPBu...34..113W.
_mathilde.jpg){kind=small}