The European Union funded NEOShield project: A global approach to near-Earth object impact threat mitigationA. W. Harris, F. Schäfer, M. Fulchignoni et al.|Acta Astronautica|2012Cited by 37
A global approach to near-Earth object impact threat mitigationAlan W. Harris, F. Schaefer, Barucci et al.|elib (German Aerospace Center)|2011Cited by 1