@misc{EichhornHeitschRoemisch2007, author = {Andreas Eichhorn and Holger Heitsch and Werner R{\"o}misch}, title = {Scenario tree approximation and risk aversion strategies for stochastic optimization of electricity production and trading}, institution = {Humboldt-Universit{\"a}t zu Berlin}, type = {preprintmatheon}, year = {2007}, }