Heather Ford, Shilad Sen, David R. Musicant, Nathaniel Miller. Getting to the source: where does Wikipedia get its information from?. In Ademar Aguiar, Dirk Riehle, editors, Proceedings of the 9th International Symposium on Open Collaboration, Hong Kong, China, August 05 - 07, 2013. pages 9, ACM, 2013. [doi]
Abstract is missing.