Zippy little asteroid 2012 BX34 makes a quick visit . Astro Bob, 27. januar 2012. 2012 BX34 - Close Approach. (Ernesto Guido, Giovanni Sostero & Nick Howes), 27. januar 2012. Asteroid makes near-miss fly-by. BBC News, 27. januar 2012. Bus-Size Asteroid Buzzes Earth in Close Flyby. Space.com, 27. januar 2012.