Tài liệu tham khảo WikiPedia: 216_Kleopatra ftp://ftp.lowell.edu/pub/elgb/astorb.html http://www.space.com/php/multimedia/imagedisplay/i... http://astron.berkeley.edu/~fmarchis/Science/Kleop... http://cfa-www.harvard.edu/iau/lists/NumberedMPs.h... http://spiff.rit.edu/richmond/parallax/phot/LCSUMP... http://nssdc.gsfc.nasa.gov/planetary/news/kleopatr... http://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&b... http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=216;orb=1 http://liftoff.msfc.nasa.gov/News/2000/News-Kleopa... http://www.seti.org/Page.aspx?pid=1182
