APA
LTI-Research Group, . (1998). Long-term integration of renewable energy sources into the European energy system. Heidelberg ; New York: Physica-Verlag ; Research Dept., Environmental and Resource Economics, ZEW.
Chicago
LTI-Research Group, . 1998. Long-term integration of renewable energy sources into the European energy system. Heidelberg ; New York: Physica-Verlag ; Research Dept., Environmental and Resource Economics, ZEW.
Harvard
LTI-Research Group, . (1998). Long-term integration of renewable energy sources into the European energy system. Heidelberg ; New York: Physica-Verlag ; Research Dept., Environmental and Resource Economics, ZEW.
MLA
LTI-Research Group, . Long-term integration of renewable energy sources into the European energy system. Heidelberg ; New York: Physica-Verlag ; Research Dept., Environmental and Resource Economics, ZEW. 1998.