Aven, Terje Risk, surprises and black swans : fundamental ideas and concepts in risk assessment and risk management / Terje Aven - Abingdon, Oxon : Routledge, 2014 - xiii, 262 p. : ill. ; 23 cm. Includes bibliographical references and index ISBN: 9780415735063 (pbk.) Subjects--Topical Terms: Risk assessmentRisk management