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** (with M. F. Mammana and M. Pennisi) Pedal polygons, 13 (2013) 153--164.**

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**** Fisher, J. Chris
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** (with J. Vonk) Translation of Fuhrmann's ``Sur un nouveau cercle associe a un triangle, 11 (2011) 13--26. **

** (with E. M. Schröder and J. Stevens) Circle incidence theorems, 15 (2015) 211--228.**

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**** Fontaine, Anne
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** (with S. Hurley) Proof by picture: Products and reciprocals of diagonals length ratios in the regular polygon, 6 (2006) 97--101. **

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**** Fraivert, David
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**Properties of the tangents to a circle that forms Pascal points on the sides
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**Properties of a Pascal points circle in a quadrilateral with perpendicular diagonals, 17 (2017) 509--526. **

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**** Franzsen, William N.
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**The distance from the incenter to the Euler line, 11 (2011) 231--236. **

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