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01-21-2011, 11:33 AM
Language: English - Genre: Technology
More... (http://www.pgdp.net/c/project.php?id=projectID472e078261182)
More... (http://www.pgdp.net/c/project.php?id=projectID472e078261182)
View Full Version : Distributed Proofreading Development of Gravity Pendulums in the 19th Century - Victo