http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Near Earth objects, our celestial neighbors
opportunity and risk : proceedings of the 236th Symposium of the International Astronomical Union held in Prague, Czech Republic August 14-18, 2006
Valsecchi, Giovanni B. (Giovanni Battista)
xxiv, 500 pages : illustrations ; 26 cm.
edited by Andrea Milani, Giovanni B. Valsecchi and David Vokrouhlický.
Includes bibliographical references and index.