Gaffey, Michael J.; Burbine, Thomas H.; Piatek, Jennifer L.; Reed, Kevin L.; Chaky, Damon A.; Bell, Jeffrey F.; Brown, R. H. (1993). Mineralogical variations within the S-type asteroid class. Icarus. 106 (2): 573. Bibcode:1993Icar..106..573G. doi:10.1006/icar.1993.1194.
Gaffey, Michael J.; Burbine, Thomas H.; Piatek, Jennifer L.; Reed, Kevin L.; Chaky, Damon A.; Bell, Jeffrey F.; Brown, R. H. (1993). Mineralogical variations within the S-type asteroid class. Icarus. 106 (2): 573. Bibcode:1993Icar..106..573G. doi:10.1006/icar.1993.1194.