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18 December 2009
- 00:45 00:45, 18 December 2009 diff hist +289 Wikipedia:Reference desk/Mathematics →Easiest way to decide if a point is within a polygon?
- 00:16 00:16, 18 December 2009 diff hist +255 Wikipedia:Reference desk/Computing →File formats for Geographical information systems or mapping software
25 September 2008
- 09:30 09:30, 25 September 2008 diff hist +67 The Rev →Biography
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