Man-Made Climate Change: Economic Aspects and Policy Options ZEW Economic Studies, nr. 1 Editat de Olav Hohmeyer et al. 6 noi 1998 Paperback Preț: 379.89 lei 43-57 zile
Social Costs and Sustainable Mobility: Strategies and Experiences in Europe and the United States ZEW Economic Studies, nr. 7 Editat de Klaus Rennings et al. 17 noi 1999 Paperback Preț: 369.16 lei 43-57 zile