00990nam a2200217Ia 4500003000900000008004100009020001800050040001600068080002300084111009400107245028400201260004800485300001600533490002700549650002200576650003600598650004000634700003200674700002900706710003700735IN-BaIIA211028s9999 xx 000 0 eng d a0-521-86345-7 cIIA Library a082.2:52bIAU-S236 aSymposium of the International Astronomical Unionn236thcCzech Republicd2006 Aug. 14-18 0aNear earth objects, our celestial neighbors-opportunity and riskbproceedings of the 236th symposium of the IAU held in Prague, Czech Republic, 14-18 August, 2006cedited by Andrea Milani, Giovanni B. Valsecchi and David Vokrouhlicky  aCambridgebCambridge University Pressc2007 axxiv, 500p. aIAU symposium; no. 236 aComets-Congresses aNear-Earth asteroids-Congresses aOuter space-Exploration-Congresses. aValsecchi, Giovanni B., ed. aVokrouhlicky, David, ed. aInternational Astronomical Union