%0 Journal Article %A V. Oxman %A M. Stupel %A A. Sigler %T Geometrical Shapes Allowing the Construction of the Midpoint of a Segment Using a Straightedge Only %J Journal for geometry and graphics %D 2016 %P 75-83 %V 20 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/JGG_2016_20_1_JGG_2016_20_1_a6/ %F JGG_2016_20_1_JGG_2016_20_1_a6