Milani, Andrea, ed. <br/><br/>
Near earth objects, our celestial neighbors: opportunity and risk                                                         [eBook] 

 - Cambridge                                                     Cambridge University Press                                    2007 
 - Online resource 
 - IAU symposium; no. 236 .
<br/><br/><label>ISBN: </label>0-521-86345-7 (Print) 
<br/><br/><label>ISSN: </label>1743-9213 (Print) 1743-9221 (Online) 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Comets-Congresses<br/> Outer space-Exploration-Congresses. <br/>Near-Earth asteroids-Congresses