K. Ohtsuka et al.. Apollo asteroids (1566) Icarus and 2007 MK6: Icarus family members?. „The Astrophysical Journal Letters”. 668 (1), s. L71, 2007-10-10. DOI: 10.1086/522589. Bibcode: 2007ApJ...668L..71O. (ang.).
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K. Ohtsuka et al.. Apollo asteroids (1566) Icarus and 2007 MK6: Icarus family members?. „The Astrophysical Journal Letters”. 668 (1), s. L71, 2007-10-10. DOI: 10.1086/522589. Bibcode: 2007ApJ...668L..71O. (ang.).