MAP20110064501 Keeney, Ralph L. A Value model for evaluating homeland security decisions / Ralph L. Keeney, Detlof von Winterfeldt En: Risk analysis : an international journal. - McLean, Virginia : Society for Risk Analysis, 1987-2015 = ISSN 0272-4332. - 01/09/2011 Tomo 31 Número 9 - 2011
