MAP20080046910 Hausken, Kjell Efficiency of even separation of parallel elements with variable contest intensity / Kjell Hausken, Gregory Levitin En: Risk analysis : an international journal. - McLean, Virginia : Society for Risk Analysis, 1987-2015 = ISSN 0272-4332. - 01/10/2008 Tomo 28 Número 5 - 2008 I. Levitin, Gregory . II. Title.