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![]() Est. 1995 |
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This material is based, in part, upon work supported by the National Science Foundation (NSF) under grant number IIS-0081420 and by the National Endowment for the Humanities (NEH) under grant number PA-51993-06. Any opinions, findings and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the NSF or NEH. |