MAP20110050603 Santella, Nicholas Empirical Estimation ofthe Conditional Probability ofNatech Events Within the United States / Nicho las Santella, Laura J. Steinberg, and Gloria Andrea Aguirra En: Risk analysis : an international journal. - McLean, Virginia : Society for Risk Analysis, 1987-2015 = ISSN 0272-4332. - 01/06/2011 Tomo 31 Número 6 - 2011 , p. 951-968