Tài liệu tham khảo WikiPedia: 16_Psyche http://books.google.com/books?id=fWM_AAAAcAAJ&pg=P... http://www.space.com/24288-strange-metal-asteroid-... http://www.theoi.com/Text/Pausanias1A.html http://archive.wikiwix.com/cache/?url=http://www.h... http://adsabs.harvard.edu/abs/1852AN.....34..283. http://adsabs.harvard.edu/abs/1985PASP...97..877O http://adsabs.harvard.edu/abs/1997Icar..129..421M http://adsabs.harvard.edu/abs/1999Icar..137..140D http://adsabs.harvard.edu/abs/1999Icar..140..379M http://adsabs.harvard.edu/abs/2002Icar..159..369K
