1. Dynamics and control of surface exploration robots on asteroids;Bellerose,2009
2. Planetary resources—The asteroid mining company;Lewicki;New Space,2013
3. Asteroid Rendezvous: NEAR Shoemaker's Adventures at Eros;Bell,2002
4. Field Guide to Meteors and Meteorites;Norton,2008
5. Philae probe makes bumpy touchdown on a comet;Hand;Science,2014