@incollection{MichelsBorchert2009, author = {Michels, A. and Borchert, J{\"o}rg}, title = {Beschaffungsstrategien an der Schnittstelle Energiehandel/Vertrieb}, series = {Energiehandel in Europa}, booktitle = {Energiehandel in Europa}, editor = {Zenke, Ines}, edition = {2. Aufl.}, publisher = {Beck}, address = {M{\"u}nchen}, isbn = {978-3-406-58373-5}, pages = {467 -- 481}, year = {2009}, language = {de} }