@conference {ec10Seuken, title = {Market Design and Analysis for a P2P Backup System}, booktitle = {Proceedings of the ACM Conference on Electronic Commerence (EC{\textquoteright}10)}, year = {2010}, pages = {97-108}, url = {http://econcs.seas.harvard.edu/files/econcs/files/ec10seuken.pdf}, author = {Sven Seuken and Denis Charles and Max Chickering and Sidd Puri} }