Ж43142/2013/4500 Center for Economic Studies & Ifo Institute for Economic Research CESifo working papers. № 4500:impact of uncertainty on the European energy market: a scenario aggregation approach [Текст] / Kjell Arne Brelle [et al.]. - Munich : CESifo, 2013. - 33 p. : fig., tab. (CESifo working papers , ISSN 1617-9595 ; № 4500)