@conference {robu_amma2011, title = {An Online Mechanism for Multi-Speed Electric Vehicle Charging}, booktitle = {Proceedings of the Second Conference on Auctions, Market Mechanisms and Their Applications (AMMA)}, year = {2011}, pages = {100-112}, url = {http://econcs.seas.harvard.edu/files/econcs/files/robu_amma2011.pdf}, author = {Valentin Robu and Sebastian Stein and Enrico H. Gerding and David C. Parkes and Alex Rogers and Nicholas R. Jennings} }