1. Foster, I., Kesselman, C. (eds.): The Grid: Blueprint for a Future Computing Infrastructure. Morgan Kaufmann, San Francisco (1999)
2. The DataGrid Project: High Energy Physics Data Grid Initiative. http://eu-datagrid.web.cern.ch/eu-datagrid/ . Visited on Dec. 18 2009
3. The Grid Physics Networks (GriPhyN) project. http://www.griphyn.org . Visited on Dec. 18 2009
4. The Grid5000 Project. http://www.grid5000.fr . Visited on Dec. 18 2009
5. The NEESgrid Project. http://www.neesgrid.org . Visited on Oct. 18 2009