The SSA-NEO Segment, Feb 2013, D. Koschny - Page 4 Asteroid Hazards Gerhard Drolshagen, Detlef Koschny Presented in ESOC, Darmstadt, 05 Sep 2013 Image.
Near Earth Objects Overview of the NEO Observation Program Lindley Johnson Planetary Science Division NASA HQ 21 June 2012.
Summary of Issues Relating to the Orbits of Near-Earth Objects Don Yeomans and Jon Giorgini (NASA NEO Program Office) September 2007 Potentially hazardous.
WISE
The hazard of impacts from space
Summary of Issues Relating to the Orbits of Near-Earth Objects
