MAP20080028794 Huang, Chongfu Fuzzy risks and an updating algorithm with new observations / Chongfu Huang, Da Ruan En: Risk analysis : an international journal. - McLean, Virginia : Society for Risk Analysis, 1987-2015 = ISSN 0272-4332. - 01/06/2008 Tomo 28 Número 3 - 2008 I. Ruan, Da . II. Título.